Calculate the translational speed of a cylinder when it reaches the foot of an incline 7.20 m high. Assume it starts from rest and rolls without slipping.
Express your answer using three significant figures and include the appropriate units. Thank you!!
Answers
The translational speed of the cylinder when it reaches the foot of the incline is approximately 9.43 m/s.
We can use conservation of energy to solve this problem. The initial energy of the cylinder is all potential energy, and the final energy is all kinetic energy. The potential energy at the bottom of the incline is zero.
The potential energy of the cylinder at the top of the incline is given by:
PE = mgh
where m is the mass of the cylinder, g is the acceleration due to gravity, and h is the height of the incline. Substituting the given values, we get:
PE = (mass of cylinder) x (acceleration due to gravity) x (height of incline) = mgh
The kinetic energy of the cylinder at the bottom of the incline is given by:
KE = (1/2)mv^2
where v is the translational speed of the cylinder at the bottom of the incline.
According to the conservation of energy, the initial potential energy is equal to the final kinetic energy, so we can set these two expressions equal to each other:
mgh = (1/2)mv^2
We can cancel the mass of the cylinder from both sides, and solve for v:
v = sqrt(2gh)
Substituting the given values, we get:
v = sqrt(2 x 9.81 m/s^2 x 7.20 m) ≈ 9.43 m/s
Therefore, the translational speed of the cylinder when it reaches the foot of the incline is approximately 9.43 m/s.
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Related Questions
i need to speak with zuka
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Answer:
DMs are not accessible anymore. I assume Zuka is a staff member? the only way to talk to a staff member anymore is to report something, but even then, the probably won't even look at what they're deleting :/
May I have brainliest please? :)
What is the weight (w) of the water displaced by the aluminum test object?
Choose one : 4.9 N
9.8 N
49 N
98 N
Answers
Option 4.9 N is correct.
The weight (w) of the water displaced by the aluminum test object is 4.9 N.
How to calculate the weight of water displaced by an object? The weight of water displaced by an object can be calculated using Archimedes’ principle, which states that the weight of a liquid displaced by an object is equal to the buoyant force acting on the object. When an object is placed in a liquid, it experiences a buoyant force that is equal to the weight of the liquid displaced by the object.
Buoyant force = weight of displaced liquid Using the given options, we can calculate the weight of water displaced by the aluminum test object and match it with the answer. The mass of the aluminum object is 0.5 kg and its volume is 0.0001 m3. We know that the density of water is 1000 kg/m3 and the acceleration due to gravity is 9.8 m/s2.
Therefore, the weight of water displaced by the aluminum test object is given by: w = mg = ρVg = 1000 x 0.0001 x 9.8 = 0.98 N = 4.9 N (divided by 2 since only half the object is submerged)Therefore, the weight (w) of the water displaced by the aluminum test object is 4.9 N.
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We go to a state-of-the-art amusement park. All the rides in this amusement park contain biometric sensors that measure data about potential riders while they are standing in line. Assume the sensors can detect a rider's age, height, weight, heart problems, and possible pregnancy. Help the engineers write the conditional statement for each ride at the park based on their safety specifications. (c) The MATLAB House of Horror: All riders must be 17 years or older and must not have a heart condition. Script 0 Save C Reset 目 MATLAB Documentation Run Script Previous Assessment: 2 of 3 Tests Passed (50%) Able to Ride (x) Heart Condition Arrays have incompatible sizes for this operation. Your conditional checking for a heart condition is incorrect or you have incorrect logicial operators. If you are getting either of the following errors, be sure to check that you are using the appropriate function to compare two character arrays. You should not use compare character arrays. - Arrays have incompatible sizes for this operation. - Operands to the logical and (\&\&) and or (II) operators must be convertible to logical scalar values.
Answers
To meet the safety specifications for "The MATLAB House of Horror" ride, the engineers can use the below conditional statement:
MATLAB
age = % rider's age
hasHeartCondition = % boolean indicating if the rider has a heart condition
if age >= 17 && ~hasHeartCondition
% Allow the rider to enter the ride
else
% The rider does not meet the safety requirements for this ride
end
What is the MATLAB DocumentationThe code means that if a person who wants to ride has a heart condition, they cannot ride. The age of the rider is also important.
This code uses some technical words like "conditional statement" and "boolean variable", but it's basically just talking about two things that affect whether someone can ride or not: how old they are and whether they have a heart condition. This checks if the rider is 17 or older. The symbol && helps to connect many conditions.
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You wanted to use your electric grill in your backyard. You need an extension cord. What will be the requirement of your extension cord in order to use your electric grill without any incidents. Base your explanation on " the resistance of a conducting wire increases with the increasing length of a wire"
Answers
To safely use your electric grill in the backyard, you need to select the right extension cord. Take into account the power requirements of the grill, the distance between the outlet and grill
To use your electric grill in the backyard without incidents, you will need an extension cord that meets the requirements of your grill. Since the resistance of a conducting wire increases with its length, it's important to consider the length and gauge (thickness) of the extension cord.
Here are the steps to determine the appropriate extension cord:
1. Check the grill's power requirements: Look for the wattage or amperage rating on the grill or in the user manual. It will indicate how much power the grill consumes.
2. Determine the length needed: Measure the distance from your electric outlet to the grill's intended location in the backyard. This will help you choose an extension cord of the appropriate length.
3. Choose the gauge: The gauge of the wire determines its thickness and ability to carry electrical current. For longer distances, a thicker gauge is required to minimize resistance and prevent overheating. Thicker gauges have lower numbers, such as 12 or 10, while thinner gauges have higher numbers, such as 14 or 16.
4. Calculate the amperage: Use Ohm's law (V = IR) to calculate the amperage of the extension cord. Divide the wattage of the grill by the voltage of your power supply (usually 120V in residential settings) to get the amperage. For example, if the grill is rated at 1200W, the amperage would be 10A (1200W ÷ 120V = 10A).
5. Check the ampacity rating: Look for the ampacity rating of the extension cord, which indicates the maximum safe current it can handle. It should be equal to or higher than the amperage calculated in the previous step. Choose an extension cord with a higher ampacity to allow for some safety margin.
6. Ensure proper connections: Make sure the extension cord has grounded three-prong plugs on both ends, matching the outlets you'll be using.
By following these steps, you can choose an extension cord that is appropriate for your electric grill, ensuring safe and efficient operation without incidents.
In conclusion, to safely use your electric grill in the backyard, you need to select the right extension cord. Take into account the power requirements of the grill, the distance between the outlet and grill, and the gauge of the extension cord. Calculate the amperage and choose an extension cord with an ampacity rating equal to or higher than the calculated amperage. By considering these factors, you can ensure that the extension cord can handle the electrical load without significant resistance, reducing the risk of incidents and ensuring proper functioning of your electric grill.
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Integrated science please help ASAP!...
Answers
2: agriculture pollution
3: oil pollution
4: radioactive substances
5: river dumping
6: marine dumping
This is all I can find I hope this helps.
Answer:
SewageAgricultural pollutionOilRadioactive substanceRiver dumpingMarine dumpingLittering trash Industrial wasteMining activitiesChemical fertilizersExplanation:
I hope this helps
Triangle XYZ has vertices X(0, 2), Y(4, 4), and Z(3, –1). Graph △XYZ and its image after a rotation of 180° about (2, –3).
Answers
The image of the triangle is to be formed by rotating ΔXYZ 180 degrees about the (2, -3) as shown in the graph.
What is Geometry?It deals with the size of geometry, region, and density of the different forms both 2D and 3D.
Triangle XYZ has vertices X(0, 2), Y(4, 4), and Z(3, –1).
If the triangle is ΔXYZ. Then the image of the triangle is to be formed by rotating ΔXYZ 180 degrees about the (2, -3) as shown in the graph.
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he difference between mass and weight. *
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A galvanometer consists of a loop of wire in a magnetic field. Is this true or false?
Answers
The galvanometer consists of a moving coil, suspension and a permanent magnet. The galvanometer consists of a loop that is in the magnetic field. When current is passed through this loop the wire experiences a torque.
Thu the statement is true.
HELP PLS
In the context of climate change, is “positive feedback” a good thing?
Answers
The amplitude of a sound wave is measured in terms of its maximum gauge pressure. by what factor does the amplitude of a sound wave increase if the sound level goes up by 60.0 db?
Answers
The amplitude of a sound wave is measured in terms of its maximum gauge pressure. The amplitude of a sound wave increase if the sound level goes up by 60.0 db is "flow from b to a."
According to Faraday's law of electromagnetic induction, when the magnetic field through a loop changes, an electromotive force (emf) is induced in the loop, which in turn generates an induced current. The direction of the induced current is determined by Lenz's law, which states that the induced current flows in a direction that opposes the change in magnetic field.
In this scenario, as the resistance of the variable resistor in the left-hand solenoid is decreased at a constant rate, the magnetic field within the solenoid changes. According to Lenz's law, the induced current will flow in a direction that creates a magnetic field opposing the change.
Since decreasing the resistance of the variable resistor in the left-hand solenoid corresponds to an increasing current in the solenoid, the induced current will flow in the opposite direction to counteract this change. Therefore, the induced current will flow from "b" to "a."
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Puck A and puck B are free to slide without friction on a horizontal air table; the mass of puck A has been measured to be 165. 0 grams , but the mass of puck B is unknown. The pucks are made of super-ball like material, so any collision between them should be elastic. An experiment is done with puck B at rest at the center of the air table, and with puck A sent at 55. 0 cm/s to make a glancing collision with puck B. After the collision, puck A is measured to have a speed of 29. 0 cm/s , and is observed to have been deflected by 27. 0 degrees from its original direction. What was the y component of puck B's momentum after the collision?
Answers
The y component of puck B's momentum after the collision is 0 g cm/s.
What is momentum?Momentum is the quantity of motion of a moving object, measured as a product of its mass and velocity. In physics, it is a conserved quantity, meaning that the total momentum of a closed system remains constant, regardless of the interactions within the system. Momentum can be transferred from one object to another, or between objects and their environment. Momentum is the driving force behind many physical phenomena, including collisions, friction, rocket propulsion, and the orbits of planets and stars.
\(p_A\) (before) = \(m_A\) * \(v_A\) = 165.0 g * 55.0 cm/s = 9077.5 g cm/s
\(v_A\) (x) = \(v_A\) * cos(27.0°) = 29.0 cm/s * cos(27.0 °) = 27.61 cm/s
\(v_A\) (y) = \(v_A\) * sin(27.0 °) = 29.0 cm/s * sin(27.0 °) = 14.26 cm/s
Using these components, we can calculate the momentum of puck A after the collision:
\(p_A\) (after) = \(m_A\) * \(v_A\) = 165.0 g * 27.61 cm/s = 4562.1 g cm/s
\(p_A\) (before) + \(p_B\) (before) = \(p_A\) (after) + \(p_B\) (after)
9077.5 g cm/s + \(p_B\) (before) = 4562.1 g cm/s + \(p_B\) (after)
\(p_B\) (before) = 4562.1 g cm/s - 4562.1 g cm/s = 0
Since the momentum of puck B before the collision was 0, its momentum after the collision must also be 0. Therefore, the y component of puck B's momentum after the collision is 0 g cm/s.
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Willie Swift drives a hockey puck into the goal at a speed of 34.8 m/s. From a distance of 60.0 m, how long will it take to reach the net? I need an explanation of how to get it too so I can study that and understand how you guys are able to get that answer! thank you!
Answers
time = distance divided by rate
now just substitute
time = distance (60 m) divided by rate (34.8 m/sec)
:)
why can't we fall safely with the help of parachute towards the moon?
Answers
Answer:
The Moon has no atmosphere so there is no drag on the capsule to slow its descent; parachutes will not work. Lunar landing vehicles were equipped with rocket engines that were fired by the pilot to provide lift — thrust in the opposite direction of descent — during the rapid descent to the Moon's surface.
The moon does not harbor any appreciable atmosphere. Therefore no parachute, no matter how large, will operate properly on the moon. Air is required in order to inflate the parachute and slow down the descending object. Remember geologist Harrison Schmidt, the ONLY scientist to visit the moon? He was one of the last two people to ever touch the lunar surface. (Apollo 17). He demonstrated what would happen when two objects of different masses were dropped simultaneously from about five feet above the moon’s surface. He dropped a hammer and a feather. They fell at the same rate and hit the surface at exactly the same instant! There was no atmosphere to cause the feather to flutter. Note: Careful observers may notice that in videos of the the descending Apollo Lunar Lander (“The Eagle has landed”) lunar dust is kicked up by the craft’s engines. The dust moves out in straight lines, not in billowing clouds! PROOF that the film was made in the airless void of the moon and NOT in some clandestine film studio on Earth. No moon landing hoax!
A minibus drives with a constant speed of 76 miles per hour. How can I travel in 4 hours?
Answers
Answer:
Answer:
304
Explanation:Answer:
Which diagram represents the directions of the velocity, v, and acceleration, a, of a toy car as it moves in a clockwise, horizontal, circular path at a constant speed?
Answers
The diagram that represents the directions of the velocity, v, and acceleration, a, of a toy car as it moves in a clockwise, horizontal, circular path at a constant speed is Diagram B.
In a circular motion, the velocity is always tangential to the circular path, while the acceleration is always directed towards the center of the circle. This means that the velocity and acceleration are always perpendicular to each other.
In Diagram B, the velocity is shown as a vector pointing in the tangential direction to the circular path, while the acceleration is shown as a vector pointing towards the center of the circle. This is the correct representation of the directions of the velocity and acceleration of a toy car moving in a clockwise, horizontal, circular path at a constant speed.
Therefore, the correct answer is Diagram B
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PLEASE HELPPP
Force: Adding vectors (find resultant force)
50N north plus 50N west Plus 50N north west
Answers
One way to do this is to draw a diagram of the vectors and use the head-to-tail method to find the resultant vector. We can start by drawing the vector 50N north, then draw the vector 50N west starting from the end of the first vector, and finally draw the vector 50N northwest starting from the end of the second vector and ending at the tip of the resultant vector. The resultant vector is the vector that starts at the beginning of the first vector and ends at the tip of the last vector.
Alternatively, we can use trigonometry to find the magnitude and direction of the resultant vector. We can break down each vector into its x and y components, then add up the x components and the y components separately to get the x and y components of the resultant vector. The magnitude of the resultant vector is then given by the square root of the sum of the squares of the x and y components, and the direction is given by the arctangent of the y component divided by the x component.
Using either method, we can find that the magnitude of the resultant force is approximately 70.7N, and the direction is approximately 45 degrees north of west
a ship leaves a harbor and sails at 27.5∘ to the south of due east. after traveling 365 km, how far east is the ship from the harbor?
Answers
The ship is located 200.51 km east from the harbor.
The given angle of travel of the ship is 27.5° to the south of due east. To solve this question, we can use trigonometry, and more specifically, we can use the sin function because we know the opposite and hypotenuse side of the angle of travel of the ship. To get started, we need to break down the angle of travel as well as the displacement of the ship along the eastern axis. We know that the ship sailed at 27.5° to the south of due east and traveled a distance of 365 km. From this information, we can find the opposite and hypotenuse side of the triangle formed by the ship's angle of travel and displacement eastward. Let x be the displacement of the ship along the eastern axis.
Then, east displacement of ship = x
We know that the angle of travel of the ship = 27.5° south of due east. This implies that angle of travel of the ship from the eastern axis is 90° - 27.5° = 62.5°.
We know that opposite side of the ship's angle of travel is the southward displacement of the ship = 365 km.
This implies that the hypotenuse of the ship's angle of travel is given as: hypotenuse = 365 / sin(62.5°) = 398.89 km
Therefore, the displacement of the ship along the eastern axis = east displacement of the ship = hypotenuse × cos(62.5°)
Substituting hypotenuse = 398.89 km and angle of travel of ship from eastern axis = 62.5°, we get:
east displacement of ship = 398.89 × cos(62.5°) = 200.51 km
Therefore, the ship is located 200.51 km east from the harbor.
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Tisa makes a diagram to organize her notes about charging objects.
2 overlapping circles. The left circle is labeled Friction. The right circle is labeled Conduction. An X is in the overlap.
Which statement should she place in the region marked X?
Electrons move between objects.
The objects do not touch.
The objects develop opposite charges.
The objects have the same charge.
Answers
Answer:
I believe D on edge
Explanation:
The statement she should place in the region marked X is the objects have the same charge.
What is a Venn diagram?A Venn diagram is a diagram that is composed of a square in which circles are inscribed. It can be used to easily represent information.
From the Venn diagram shown, the statement she should place in the region marked X is the objects have the same charge. This is because, the region marked x in the Venn diagram shows the intersection which can not be oppositely charged or objects that do not touch.
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Sarah is studying the various processes involved with mass wasting. One of her classmates
brought in this photo. He said the arrows indicate a mass wasting process taking place.
Sarah said he was incorrect. Who do you agree with? Explain.
Sarah's classmate is incorrect. The photo indicates a small hill.
O Sarah's classmate is correct. This is an model of a slide and the hillside is quickly sliding out over the sidewalk.
O Sarah's classmate is correct. This is creep and the photo shows a hillside that is slowly moving over the
sidewalk.
O Sarah's classmate is incorrect. The photo shows the slight effect of gravity on the hillside but it is not a process
associated with mass wasting.
Answers
Answer:
Sarah's classmate is incorrect. The photo shows the slight effect of gravity on the hillside but it is not a process
associated with mass wasting.
Explanation:
PLEASE MARK ME AS A BRINLIEST
What is the difference between a vigorous sport and vigorous recreation ?
Answers
Answer:
Explanation:El ejercicio vigoroso previene en mayor medida el síndrome metabólico (un conjunto de enfermedades que aumentan el riesgo cardiovascular )
mientras que una reacción vigorosa se produce entre el aluminio y el gas cloro. Como consecuencia de la gran cantidad de energía liberada se producen luz y calor
PLEASEE HELP ASAP !!!!! thank you so so so much!!!! *will give brainliest*
Answers
Answer:
Answer a) Force on A equal to force on B
Answer a) The electric field points to the left in the location A
Explanation:
12)
Recall that the magnitude of the electrostatic force is given by:
\(F=k\frac{q*Q}{d^2}\)
therefore in magnitude it is the same for charge q than for charge Q.
(Answer a for the first problem - 12)
13)
Recall that the electric filed points outwards for a positive charge, therefore at the location of charge q, the field must be pointing towards the left.
he more gentle the
[ Select Speed, Vector, Slope and Reaction
of the line on the distance v. time graph, the
[ Select Slower or Faster
the object is moving.
Answers
Answer quick!!! (Edge 2021)
Haley noticed a small spot on her skin that turned out to be skin cancer. Which treatment is her doctor most likely to use?
A) Brachytherapy
B) Superficial external beam radiation therapy
C) Radiopharmaceuticals
D) High Intensity Focused Ultrasounds
Answers
B) Superficial External bean Radiation Therapy.
Explanation:
Surgery, radiation, chemotherapy and hormone therapy can all be used to relieve signs and symptoms. Medications may relieve symptoms such as pain and shortness of breath. Palliative treatment can be used at the same time as other treatments intended to cure your cancer.
The treatment most likely to use is Superficial External bean Radiation Therapy. Then the correct option is B.
What is the electromagnetic spectrum?The electromagnetic spectrum consists of the range of all types of EM radiation. Radiation is a packet of energy that travels and spreads out.
It has radio waves, infrared waves, visible light waves, ultraviolet rays, and microwaves.
They possess high energy even to penetrate deep within the material. the electromagnetic spectrum has a longer wavelength and less frequency.
Haley noticed a small spot on her skin that turned out to be skin cancer.
Surgery, radiation, chemotherapy, and hormone therapy can all be used to relieve signs and symptoms.
Medications may relieve symptoms such as pain and shortness of breath. Palliative treatment can be used.
The treatment most likely to use is Superficial External bean Radiation Therapy.
Then the correct option is B.
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the sun appears to move across the sky, because the earth spins on its axis. to a person standing on the earth, the sun subtends an angle of sun 9.28 103 rad (see conceptual example 2). how much time (in seconds) does it take for the sun to move a distance equal to its own diameter?
Answers
During the day, the Sun appears to move across the sky from Earth and disappears at night. As a result of the Earth's eastward rotation, this has occurred.
Why does the Sun appears to move across the sky because?Our nearest star to us is the Sun. Both light and heat are produced by the Sun. Furthermore, it emits harmful ultraviolet light that can lead to cancer and sunburn. Without the Sun, our planet would be completely dark and frozen, devoid of oceans of liquid water and life. There would also be no daylight.1.4 million kilometers across, or 109 Earths lined up side by side, is the size of this enormous ball of extremely hot gas. It weighs the equivalent of 330 000 Earths at 2 million trillion trillion trillion kilograms. The Sun could accommodate about 1 300 000 Earths!From Earth, the Sun appears to move across the sky during the day and vanish during the night. The reason for this is that the Earth is rotating eastward. The North and South poles serve as the Earth's North and South axes, around which the planet revolves. As a result, the Sun appears to rise in the east in the morning and rise steadily in the sky until it reaches its midday position to us here on the rotating Earth. Later in the afternoon, the Sun appears to descend further into the sky before setting in the west.The Sun is approximately 150 million kilometers away, despite appearing small when seen at sunrise or sunset.Even though sunlight is moving at a speed of about 300 000 km/s, it takes about 8 minutes to reach us from this distance. The Sun sets eight minutes after the actual event, according to this.To Learn more About volume of data refer to:
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Moji listed the solids in order of hardness as graphite < chalk < quartz. His
peer group suggested some experimental errors that may have caused this to
happen. Which experimental error most likely led Moji to this conclusion?
A. Moji might have used color as an indication of hardness.
B. Moji might have thought that crumbliness was a sign of softness.
C. Moji might have thought that crumbliness was a sign of hardness.
D. Moji could have chosen hardness tests that were not reliable.
Answers
Answer: D.
Explanation:
Moji listed the solids in order of hardness as graphite < chalk < quartz. because his peer group suggested some experimental errors that may have caused this to happen. The experimental error most likely led Moji to the conclusion that Moji could have chosen hardness tests that were not reliable. Therefore the correct option is D.
What is the matter?Anything which has mass and occupies space is known as matter, mainly there are four states of matter solid liquid gases, and plasma.
These different states of matter have different characteristics according to which they vary their volume and shape.
There are various tests to judge the mechanical hardness of any solid material such as the Rockwell hardness test, Brinell's hardness test,Vicker's diamond hardness test, and Knoop's hardness test which is also known as microhardness test
The experimental error most likely led Moji to the conclusion that Moji could have chosen hardness tests that were not reliable. Therefore the correct option is D.
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Define Velocity.
Have a Nice Day Ahead
Answers
Answer:
the speed at which something moves in a particular direction
Explanation:
The velocity of an object is the rate of change of its position with respect to a frame of reference, and is a function of time. ... Velocity is a physical vector quantity; both magnitude and direction are needed to define it.
some sports or activities you can do to improve your overall health and how physical activity can improve your
physical and emotional health.
Answers
Answer:
some sports activities you can yo to improve your over all heath is running and how it can improve your emotional and physical heath is that it will get you heart beat up which will help you lose weight and make you feel better and how it can help your emotional health is that it can help you feel less stress mad angry and a bunch of other things
Explanation:
( the part were it says it will help lose weight is optional
For Q6. high school student holds a backpack one meter above the ground. Which of the following free-body diagrams best represents this situation?
Answers
The image that shows the free body diagram of the bag pack is option J.
What is the free body diagram?The term free body diagram has to do with the way the that the forces that act on an object are able to carry on. We know that an object is always acted upon by a system of forces. The forces that act on the object could be balanced or unbalanced. If the system of forces is balanced than the object would remain stationary. If the system of forces is not balanced then the object would move.
In this case, we have been told that high school student holds a backpack one meter above the ground. We know that we expect that the free body diagram would be able to show us the forces that act on the bag and this would include the weight of the bag which is the gravitational pull on it and the tension on the rope that holds the bag.
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Who would benefit from using a topographic map? Check all that apply
Military
Hikers
Geologists
Submarine divers
Cross Country runners
Airplane Pilots
Answers
Please answer the match the wave to the description and the top part 25 points
Answers
For waves:
Increasing amplitude increases the loudness of the sound.Decreasing amplitude decreases the loudness of the sound.Decreasing frequency decreases the pitch of the sound.Increasing frequency increases the pitch of the sound.What are the products of waves?Match the wave to the description:
The wave with the smallest amplitude would produce the softest sound, B.
The wave with the largest amplitude would produce the loudest sound, D.
The wave with the highest frequency would produce the sound with the highest pitch, A.
The wave with the lowest frequency would produce the sound with the lowest pitch, C.
Waves only transfer energy.
The electromagnetic spectrum is made of: radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays.
An acronym to help me remember this from longest to shortest wavelength: ROYGBIV (stands for red, orange, yellow, green, blue, indigo, violet - the colors of the visible light spectrum).
Uses for electromagnetic waves: radio and TV broadcasting, communication via mobile phones, heating food in a microwave oven, infrared cameras for night vision, medical imaging using X-rays, and cancer treatment using gamma rays.
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