The answer to the question "A light beam has a wavelength of 380 nm in a material of refractive index 1.50. In a material of refractive index 3.00, its wavelength will be" is: 190nm.
The refractive index (n) is a dimensionless quantity that describes how much a ray of light bends when it passes from one medium to another. When light passes from a vacuum or air to a medium, such as glass or water, it slows down and changes direction. The refractive index of a medium, which is the ratio of the speed of light in a vacuum to the speed of light in the medium, characterizes this behaviour.Increasing refractive index causes a decrease in wavelength. A decrease in wavelength corresponds to an increase in refractive index. This is provided by the relationship given by Snell's Law:
n1sinθ1 = n2sinθ2
Here, n1 and n2 are the refractive indices of the two media, and θ1 and θ2 are the angles of incidence and refraction, respectively.
The wavelength of a light beam in a medium of refractive index n2 is given byλ2 = λ1/n2Therefore, if a light beam has a wavelength of 380 nm in a medium of refractive index 1.50, in a medium of refractive index 3.00, its wavelength will be:
λ2 = λ1/n2λ2 = 380 nm / 3.00λ2 = 126.67 nm ≈ 190 nm
Therefore, the wavelength of the light beam in a material of refractive index 3.00 is 190nm.
Know more about refractive index here ,
https://brainly.com/question/30761100?referrer=searchResults
#SPJ11
Each of the following is a factor that determines radiation injury EXCEPT one. Which one is the EXCEPTION?a. Size of the irradiated areab. Amount of radiationc. Patient genderd. Dose rate
The factor that determines radiation injury EXCEPT one is c. patient gender.
Factors that determine radiation injuryRadiation injury occurs when a person is exposed to high levels of ionizing radiation. The size of the irradiated area, the amount of radiation, and the dose rate are all factors that determine radiation injury, but patient gender is not. While patient gender may play a role in other aspects of healthcare, it does not determine the amount of radiation injury a person may experience. Therefore, the correct answer is c. Patient gender.
Learn more about radiation here https://brainly.com/question/28268855
#SPJ11
The thermal energy of 0.700 mol of a substance is increased by 0.800 J. (A) What is the temperature change if the system is a monatomic gas?
If it's a monatomic gas system the difference in temperature is about 0.212 K.
What element has monatomic gases in it?Helium, neon, argon, krypton, radon, xenon, and neon are a few examples of monatomic gases (the noble gases).
The following equation can be used to determine the temperature change for a monatomic gas:
U is calculated using the formula U = (3/2) * n * R * T, where n is the number of moles, R is the gas constant, and T is the temperature.
To solve for T, rewrite the problem as follows:
T = (2/3) * U / (n * R)
We may now change the values provided:
T = (0.700 mol * 8.31 J/mol K) * (2/3) * 0.800 J
T = 0.212 K
Thus, the difference in temperature is almost 0.212 K.
To know more about Monatomic Gas visit:
https://brainly.com/question/14104743
#SPJ4
A jet is flying from atlanta to gulfport and is cruising at Mach .79 or 844 km/hr. During the last 89 km it reduces its speed for landing at a rate of -2780 km/hr^2. How long will it take for the jet to reach landing speed? What was the landing speed of the jet?
Answer:
The time it takes for the jet to reach landing speed is approximately 0.136 hours which is approximately 489 seconds
The landing speed is approximately 466.365 km/hr
Explanation:
The given parameters are;
The initial cruising speed of the jet = Mach 0.79 = 844 km/hr
The rate of speed reduction in the last 89 km = -2780 km/hr²
The distance it takes the jet to reduce its speed for landing = 89 km
Given the above information, we make use of the following equation of motion;
s = u·t - 1/2·a·t²
v² = u² - 2·a·s
Where;
s = The distance over which the acceleration (deceleration) is applied = 89 km
u = The initial velocity = 844 km/hr
t = The time taken for the accelerating/decelerating motion
v = The final velocity (landing speed)
Substituting the values gives;
v² = 844² - 2·(2780)·89 = 217496
v = √217496 = 466.365 km/hr
v ≈ 466.365 km/hr
Therefore, the landing speed, v ≈ 466.365 km/hr
The time it takes is given by the equation, v = u - a·t
Therefore;
t = (u - v)/a = (844 - 466.365)/2780 ≈ 0.136 hours
The time it takes for the jet to reach landing speed ≈ 0.136 hours
From, s = u·t - 1/2·a·t², we have
89 = 844·t - 1/2 × 2780 × t²
89 = 844·t - 1390 × t²
1390 × t² - 844·t + 89 = 0
Solving with an online application gives;
t = 211/695 + (√(27187/2))/695 = 0.4715 hours or t = 211/695 - (√(27187/2))/695 = 0.136 hours
We note that the second time is for the time it will take the jet to get back to 89 km after reaching a speed of 0
Therefore, the correct time is t = 0.136 hours
The time it takes for the jet to reach landing speed ≈ 0.136 hours
Light is emitted by electrons when they drop from one energy level to a lower level. Which transition results in the emission of light with the greatest energy?
Answer:
Level 4 to level 2
Explanation:
Electrons in an atom are contained in specific energy levels (1, 2, 3, and so on) having different distances from the nucleus. When light is emitted by electrons from one energy level to a lower level, level 4 to level 2 has the greatest energy.
Hence, the correct option is "Level 4 to level 2".
true or false: clear fluid leaking out of your car is usually coolant and means you should check the water pump.truefalse
False. Clear fluid leaking from a car is not necessarily coolant, and it does not necessarily indicate a problem with the water pump.
Cars can have multiple fluids that are clear or nearly clear in color, such as water, windshield washer fluid, or even condensation from the air conditioning system. Therefore, without further information, it is not possible to determine the exact fluid leaking based solely on its color.
To properly diagnose the issue, it is important to identify the specific location of the leak and consider other factors such as the fluid's smell, consistency, and the vehicle's symptoms or warning lights. If there is a coolant leak, it could be due to various reasons such as a damaged radiator, a leaking hose, a faulty coolant reservoir, or a malfunctioning water pump. However, it is not accurate to conclude that a clear fluid leak always indicates a problem with the water pump.
To know more about air conditioning system, visit
https://brainly.com/question/32246245
#SPJ11
Physics Assignment.
the position r of a particle moving in a cartesian
plane is given by r= (3t^4-5t² )i (3t-7t^3j +(3t²) k in meters
and t in seconds. At t = 5 sec, calculate in unit-vector notation; a)the position of the particle
B) the velocity.
C)The acceleration
If the position r of a particle moving in a cartesian plane is given by r= (3t^4-5t² )i (3t-7t^3j +(3t²) k in meters.
a) The position of the particle (1875i - 8620j + 75k) meters.
B) the velocity 2990i - 2628j + 30k
C)The acceleration 890i - 210j + 6k
What is the position of the particle?a) To find the position of the particle at t = 5 sec, we simply substitute t = 5 into the expression for r:
r = (3t^4 - 5t^2)i + (3t - 7t^3)j + (3t^2)k
r = (3(5)^4 - 5(5)^2)i + (3(5) - 7(5)^3)j + (3(5)^2)k
r = 1875i - 8620j + 75k
Therefore, the position of the particle at t = 5 sec is (1875i - 8620j + 75k) meters.
b) To find the velocity, we take the derivative of r with respect to time:
v = dr/dt = (12t^3 - 10t)i + (3 - 21t^2)j + (6t)k
At t = 5 sec, we have:
v = (12(5)^3 - 10(5))i + (3 - 21(5)^2)j + (6(5))k
v = 2990i - 2628j + 30k
Therefore, the velocity of the particle at t = 5 sec is (2990i - 2628j + 30k) meters per second.
c) To find the acceleration, we take the derivative of v with respect to time:
a = dv/dt = (36t^2 - 10)i + (-42t)j + 6k
At t = 5 sec, we have:
a = (36(5)^2 - 10)i + (-42(5))j + 6k
a = 890i - 210j + 6k
Therefore, the acceleration of the particle at t = 5 sec is (890i - 210j + 6k) meters per second squared.
Learn more about position of the particle here:https://brainly.com/question/29187130
#SPJ1
A force of 355 N is applied to an object that accelerates at a rate of 7.8 m/sec2 . What is the mass of the object ?
Answer:
A force of 355 N is applied to an object that accelerates at a rate of 7.8 m/sec2 . What is the mass of the object ?
Explanation:
Is it speed, velocity, or acceleration of a football just after being kicked?
It is velocity of a football just after being kicked. Velocity is the speed and direction of an object, and it is a vector quantity, meaning it has both magnitude and direction.
When a football is kicked, it has a certain velocity in a particular direction, which can be measured using a speedometer or other measuring device. Acceleration, on the other hand, refers to the rate of change of velocity, so it would only be relevant if the football's velocity was changing after being kicked (for example, if it were slowing down due to air resistance or gravity).
Learn more about Velocity ,
https://brainly.com/question/17127206
#SPJ4
Where would you least expect to find an ionization nebula? a. in the halo. b. in the disk c.in the spiral arms. d. None of the above.
The ionization nebula would expected in the halo. (option A)
However, there are some locations in a galaxy where ionization nebulae are less likely to be found.
Similarly, in the disk of a galaxy, ionization nebulae are more common but may be less frequent in some areas due to variations in the density of gas and the distribution of hot stars.
By taking into account the density of gas and dust, the temperature and luminosity of hot stars, and other factors, scientists can predict where ionization nebulae are most likely to be found and how their distribution may vary across different types of galaxies.
In summary, while ionization nebulae are most commonly found in regions of active star formation, there are some locations in a galaxy where they are less likely to be found, such as in the halo or in areas with lower levels of gas and dust.
To know more about nebula here
https://brainly.com/question/9497068
#SPJ4
how to burn your module?
sabog na sabog nako eh
Answer:
get some
get some ⛽⛽⛽⛽⛽
pour the ⛽ on the module,
get that on itttttt and booooooommmm
Explanation:
A physics student stands on a cliff overlooking a lake and decides to throw a softball to her friends in the water below. She throws the softball with a velocity of 23.5 m/s at an angle of 39.5∘ above the horizontal. When the softball leaves her hand, it is 11.5 m above the water. How far does the softball travel horizontally before it hits the water? Neglect any effects of air resistance when calculating the answer.
Answer:
66.86m
Explanation:
Velocity of ball thrown, u = 23.5 m/s
Initial height of the ball above the water, H = 11.5 m
Angle of projection, θ = 39.5°
Vertical components of veloclty = usinθ
Horizontal components of veloclty = ucosθ
The soft ball hits the water after time 't'
Considering the second equation of motion
S = ut + 1/2at^2........ 1
But since the ball went through motion under gravity ( free fall ) rather than linear motion, then equation 1 can be rewritten as:
H = ut +/- 1/2gt^2
H = - 11.5m
U = usinθ
θ = 39.5°
a = -g = -9.8m/s^2
- 11.5m = 23.5(sin39.5°)t + 1/2(-9.8)t^2
-11.5m = 23.5(0.6360)t - 4.9t^2
-11.5m = 14.946t - 4.9t^2
4.9t^2 -14.946t-11.5m = 0
Since the ball drifted horizontally
D = (Ucosθ)t
Where θ = 39.5°
U = 23.5m/s t=
Alternatively,
horizontal component of the velocity is 23.5 cos 39.5º = 18.1331 m/s
now how long does it take the ball to raise to a peak and fall to the water.
vertical component of velocity = 23.5 sin 39.5º = 14.947m/s
time to reach peak t = v/g = 11.947/9.8 = 1.5252 sec
peak reached above cliff top is
h = ½gt² = ½(9.8)(1.5252)²
= ½×22.797
= 11.3985m
now the ball has to fall 11.3985+ 11.5 = 22.8985m
time to fall from that height is
t = √(2h/g) = √(2• 22.8986/9.8) = 2.1617 sec
add up the two times to get time it is in the air, 2.1617 + 1.5252 = 3.6869
now haw far does the ball travel horizontally in that time
d = vt = 18.1331 ×3.6869= 66.856m
= 66.86m
one of the main benefits of nuclear power is the tremendous amount of energy it releases. according to the textbook readings, how many orders of magnitude greater is fission over chemical reactions?
According to the textbook readings, nuclear fission releases a tremendous amount of energy. It is one of the main benefits of nuclear power.
In nuclear fission, the amount of energy that is released is many orders of magnitude greater than chemical reactions.:During a nuclear fission reaction, the nucleus of a heavy atom, such as uranium, is split into two or more lighter nuclei.
This process releases a vast amount of energy in the form of heat and light radiation. This heat is used to convert water into steam, which powers the turbines that generate electricity.According to the textbook readings, fission releases energy many orders of magnitude greater than chemical reactions. The amount of energy released in a chemical reaction is typically measured in joules, while the amount of energy released in a fission reaction is measured in millions of electron volts (MeV) or even billions of electron volts (GeV). Therefore, the main answer is "many orders of magnitude greater" than chemical reactions.
TO know more about that energy visit:
https://brainly.com/question/8630757
#SPJ11
state coulomb's law mathematically
Coulomb's law is express as:
\(\begin{gathered} F=k\frac{q_1q_2}{r^2} \\ \text{ where} \\ k\text{ is Coulomb's constant} \\ q_1\text{ and }q_2\text{ are the charges} \\ r\text{ is the distance between charges} \end{gathered}\)A car of mass 1000 kg is travelling at 10 m/s. What is its kinetic energy?
Answer:
50,000
Explanation:
kinetic energy=1\2×mv^2
=1\2×1000kg×10×10
=50000
12. Where is the Moon? If you see it, describe its location and appearance.
How many nuclei of 238/92U remain in a rock if the activity registers 490 decays per second? The half-life is 4.468×10^9yr.
Express your answer using two significant figures.
N= ? nuclei
There are 6.7x10^16 nuclei of 238/92U remaining in the rock.
The decay constant (λ) for 238/92U can be calculated using the half-life formula: λ = ln(2)/t1/2 = 1.55x10^-10 s^-1. The activity (A) is related to the decay constant and number of nuclei (N) by the equation A = λN. Rearranging this equation, we get N = A/λ. Substituting the given values, we get N = 3.16x10^18/yr / 1.55x10^-10 s^-1 = 2.04x10^28 nuclei/yr.
Multiplying this by the number of seconds in a year (3.16x10^7 s/yr) and rounding to two significant figures, we get N = 6.7x10^16 nuclei. Therefore, there are 6.7x10^16 nuclei of 238/92U remaining in the rock if the activity registers 490 decays per second.
Learn more about decay constant here:
https://brainly.com/question/32092858
#SPJ11
an interplantetary speedcarft moving at 20000m/s.how far will it travell in one day?(give your answer in km)
Explanation:
Step I: 1 day means 24 hours * 60 minutes * 60 seconds.
So 1 day have 86400 seconds.
Step I:
Now,
To calculate the travel distance 20,000m/s* 84600 is 1728000000m
Step Ill:
Now convert the meter in kilometer
Because 1 km = 1000 m
So, = 1728000000/1000 = 172800OKm
What type of circuit is seen in this picture?
-Open
-Parallel
-Series
-AC
Answer:
You need the attachment, sorry I can't answer :(
Answer:
It is short thats what the awnser is
determine the magnetic course from cooperstown airport to jamestown airport
The magnetic course from Cooperstown Airport to Jamestown Airport is approximately 224 degrees. The magnetic course from Cooperstown Airport to Jamestown Airport is approximately 224 degrees.
The magnetic course from Cooperstown Airport to Jamestown Airport is found by calculating the angle between true north and magnetic north at Cooperstown airport. The magnetic declination is 11 degrees west and can be subtracted from the true course to find the magnetic course.Here are the steps to determine the magnetic course from Cooperstown Airport to Jamestown Airport:Step 1: Determine the true courseTo determine the true course from Cooperstown Airport to Jamestown Airport, use aeronautical charts.
The true course is 229 degrees.Step 2: Determine the magnetic declinationThe magnetic declination for the region can be found on the aeronautical charts or on websites like the National Oceanic and Atmospheric Administration (NOAA). The magnetic declination is 11 degrees west. Therefore, subtract 11 degrees from the true course to get the magnetic course.229 degrees - 11 degrees = 218 degreesThe magnetic course from Cooperstown Airport to Jamestown Airport is approximately 224 degrees (rounded to the nearest degree).
For such more question on Magnetic:
brainly.com/question/14769175
#SPJ11
Write a hypothesis about how the mass of the cylinder affects the temperature of the water. Use the “if”… then .. because… “format and be sure to answer the lesso: “How is potential energy converted to thermal energy in a system?”
If the mass of the cylinder decreases, the temperature of the water decreases, because lesser the mass means the cylinder has less potential energy that can be converted to thermal energy, decreasing the temperature of the water.
What is potential energy?Potential energy is a form of stored energy that is dependent on the relationship between different system components. When a spring is compressed or stretched, its potential energy increases. If a steel ball is raised above the ground as opposed to falling to the ground, it has more potential energy.
The temperature of the water falls as the cylinder's mass drops because a smaller cylinder has less potential energy that can be converted to thermal energy, which lowers the temperature of the water.
Learn more about potential energy here:
https://brainly.com/question/24284560
#SPJ1
On a hot summer day, air temperature is 30 °C and the actual vapor pressure is 30 mb: what is the approximate relative humidity
(RH)?
Answer:
chgfsgfsgsahfsgfggfsgasgsgfgfggdfdsseeerasfasfafvvdavadvdafdfgdb
Explanation:
bbfgfsgssdfeffsdfdffdgsgggfffrterrwrwftgwrtrtqvggsgfgdfhfghh
What was the initial velocity of a robot that took 5 m to get to final velocity of 19 m/s at a rate of 3 m/s/s?
Answer:
4m/s
v=u+at
19=u+3*5
u=4m/s
A violin string that is 32.5 cm long has a
fundamental frequency of 440 Hz. What is
the speed of the waves on this string?
When, a violin string is 32.5 cm long having a fundamental frequency of 440 Hz. Then, the speed of the waves on this string is approximately 286 m/s.
The speed of a wave can be calculated using the formula;
speed = wavelength x frequency
For a vibrating string, the fundamental frequency is the frequency at which the string vibrates in its simplest, or fundamental, mode. The wavelength of the fundamental frequency is twice the length of the string, because the string vibrates as a half-wavelength standing wave.
So, the wavelength of the fundamental frequency can be calculated as:
wavelength = 2 x length = 2 x 32.5 cm
= 65 cm = 0.65 m
Substituting the wavelength and the given frequency into the formula, we get;
speed = wavelength x frequency = 0.65 m x 440 Hz
= 286 m/s
Therefore, the speed of the waves on this string is approximately 286 m/s.
To know more about violin string here
https://brainly.com/question/28824135
#SPJ4
A wave has a frequency of 12 Hz and a wavelength of 5 m. What is the wave speed?
Answer:
The speed of the wave is 15ms .
Explanation:
Explain why 5N + 4N does not always mean a resultant force of 9N
Answer:
It depends on where the arrow is showing / direction of the resultant force.
Add for vectors in same direction, ie., 5N + 4N=9N
(arrow pointing in same direction)
Minus for different directions, ie., 5N - 4N=1N
(arrow pointing in opposite direction)
Hope this helps!
Further examples:
6N 46N
--------> ----->
(6+4=10N)
5N 4N
<------------ ------>
(5-4=1N)
or
8N 6N
--------------> <--------
(8-6=2N)
Why does Mars provide the best opportunity for habitation by humans?
Answer:
Mars is an opportunity for humans to carry forward the light of consciousness, plus it is the closest planet like earth, it has land humans can land on and although its small, theres still water
What major features distinguish the Actinopterygii from the Sarcopterygyii? Explain why the latter group is a more likely candidate for the origin of tetrapods.
Actinopterygii and Sarcopterygyii are both groups of fish that have evolved many diverse morphological adaptations.
The Actinopterygii are characterized by the presence of rayed fins, while the Sarcopterygyii have fleshy fins and a well-developed lobe-like structure. The major features that distinguish the Actinopterygii from the Sarcopterygyii are their fins and the structure of their skeletons. The Actinopterygii have fins with bony spines and rays, while the Sarcopterygyii have fins with fleshy, muscular lobes that are supported by a well-developed internal skeleton.
The latter group is a more likely candidate for the origin of tetrapods for several reasons.
First, the Sarcopterygyii have a more complex and robust skeleton than the Actinopterygii, which is necessary for supporting the weight of a tetrapod body. Second, the fleshy fins of the Sarcopterygyii are more similar to the limbs of tetrapods than the rayed fins of the Actinopterygii.
To know more about groups visit:
https://brainly.com/question/31044115
#SPJ11
An object speeding up, an object slowing down, and an object changing direction are all examples of acceleration.
-True
-False
When an object is speeding up, the acceleration is in the same direction as the velocity. Thus, this object has a positive acceleration. In Example B, the object is moving in the negative direction (i.e., has a negative velocity) and is slowing down.
Which operation is performed to convert a temperature given in degrees Celsius to a temperature in kelvin
In order to convert a temperature from Kelvin to degrees Celsius, we must deduct 273.15 from it, and in order to transfer a temperature from degrees Celsius to Kelvin, we must add 273.15 to it.
The formula T (K) = T (°C) + 273.15 can be used to convert between Celsius and Kelvin. These two temperature units are extremely dissimilar to one another. The temperature is expressed in °C on the Celsius scale, which was created by Anders Celsius. Lord Kelvin created the Kelvin scale, and K stands for the Kelvin unit of temperature.
The unit of measurement for temperature on a Celsius scale or a centigrade scale is Celsius. It is expressed as °C and can represent a range of temperatures or the difference between two temperatures.
To know more about Kelvin:
https://brainly.com/question/30760589
#SPJ4
A satellite orbiting Earth at an orbital radius r has a velocity v. What would the velocity be if the satellite is moved to an orbital radius of 6r
Orbital velocity of satellite
\(v = \sqrt{ \frac{gm}{r} } \)
Radius of new orbit r' =6r
Thus new orbital velocity of satellite:
\(v = \sqrt{ \frac{gm}{6r} } = \frac{v}{ \sqrt{6} } \)
About Orbital speedFor satellites in circular orbits, the relationship between orbital velocity and altitude is strict. The task of a satellite launch rocket is to release the satellite at a suitable place in space, with the appropriate speed and direction of movement to put it in the desired orbit.
How a satellite stays in orbit can be thought of in two equivalent ways, both of which explain the relationship between the satellite's altitude and velocity.
The motion of the satellite can be seen as creating a centrifugal force that opposes the gravitational pull. For example, imagine attaching an object to a string and swinging it in a circle. The object is pulling outward against the string, and that outward force (centrifugal force) becomes greater the faster the object swings. At the right speed, the centrifugal force of the satellite due to motion around the earth just balances the gravitational pull, and the satellite remains in orbit.
Learn more about Orbital velocity at https://brainly.com/question/16040381.
#SPJ4