what is the difference in potential energy between a proton that is perfectly aligned in an external magnetic field of 1.5 t g

When the mass of wire is 0.01 kg then the tension in the wire is 129.60N.

Here given that,

The mass of the wire, m = 0.01kg

Vibration frequency, f = 150Hz

The length of the wire, l = 60cm

                                         = 0.6 m

The wavelength of the stationary wave (λ) is proportional to the length of the wire as follows:

λ = 2l/n where n is the number of nodes in the wire,

n=1 for fundamental node:

2l = 2 x 0.6

λ = 1.2 m

The transverse wave speed in the string is given as,

v = fλ

=150 x 1.2

=180m/s.

The tension produced by the string is given by the relationship:

T = v²µ

=(180)² x 4.0 x 10⁻²

= 129.60N

Therefore the tension in the wire is 129.60N.

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The solar system shows the planets in their orbits around the sun in this order: Mercury, Venus, Earth with Moon, Mars, Jupiter, Saturn. Fixed stars are around the outside of the orbit of Saturn.

Explanation:

Aristarchus of Samos was an ancient Greek astronomer and mathematician who presented the first known heliocentric model that placed the Sun at the center. So I had to choose the choice that was most similar to that.

Answer:

thank you very much for giving me points.

Explanation:

I really appreciate it so muchhhhh so muchhhh thanks again

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As a sample of water turns to ice, A new molecules are formed.

In the absence of air resistance and other external forces, all objects fall towards the Earth with the same rate of acceleration, at 9.8m/s2

Projectile motion does not accelerate in the horizontal direction if air resistance is disregarded. Thus, the particle moves in a horizontal direction with a constant speed.

A circuit's opposition to current flow is measured by its resistance. The Greek letter omega stands for ohms, which are used to measure resistance. Georg Simon Ohm (1784–1854), a German physicist who examined the connection between voltage, current, and resistance, is the subject of the name "Ohm."

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The ball's rebound velocity is found to be 8.2 m/s using the concept of conservation of momentum and the given figures of the ball's velocity and force exerted by the wall.

Based on the given figures, the ball's velocity before collision is 8.2 m/s, and the force exerted on the ball by the wall during the collision is 120 N. To determine the ball's rebound velocity, we need to use the concept of conservation of momentum.

Using the formula for momentum, p = mv (where p is momentum, m is mass, and v is velocity), we can calculate the initial momentum of the ball before the collision, which is 230 g (0.23 kg) x 8.2 m/s = 1.886 kg·m/s.

Since the collision with the wall is the only external force acting on the ball, the momentum is conserved during the collision. Therefore, the final momentum of the ball after the collision is also 1.886 kg·m/s.

To find the ball's rebound velocity, we can use the formula v = p/m, where v is velocity, p is momentum, and m is mass. Plugging in the values, we get v = 1.886 kg·m/s ÷ 0.23 kg = 8.2 m/s.

Therefore, the ball's rebound velocity is 8.2 m/s.


To determine the ball's rebound velocity, we need to use the concept of conservation of momentum. The initial momentum of the ball before the collision is calculated using the formula p = mv, where p is momentum, m is mass, and v is velocity. Since the collision with the wall is the only external force acting on the ball, the momentum is conserved during the collision. Therefore, the final momentum of the ball after the collision is also equal to the initial momentum. Using the formula v = p/m, we can calculate the ball's rebound velocity, which is 8.2 m/s.


The ball's rebound velocity is found to be 8.2 m/s using the concept of conservation of momentum and the given figures of the ball's velocity and force exerted by the wall.

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Answer:

4 is the answer

Explanation:

hope this helps

Answer:

This

Explanation:

Khan academy answer

In a transverse wave, matter vibrates in a direction that is parallel to the wave motion, whereas the direction of energy transfer is perpendicular to the wave's direction of motion.

A transverse wave transfers energy in a direction that is perpendicular to the way that the wave's constituent matter vibrates. For instance, when a rope is shaken back and forth to produce a wave, the energy moves perpendicular to the rope's motion from one end to the other.

In contrast, the path of energy transfer in a longitudinal wave is parallel to the direction in which the wave's constituent matter vibrates. For instance, as sound waves pass through air, the molecules in the air oscillate back and forth parallel to the wave's motion.

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For an object to move in a uniform motion it has to have either a constant velocity or a constant acceleration. If the object has a constant velocity then it is moving at zero acceleration and this means moving with out slowing down or speeding up.

1) The heat that is removed is 8526 J

2) The calories of heat removed is 2.04 cal

3) The heat in Btu is 8.97 * 10^6 Btu

We know that cooling has to do with the process by which we are able to  remove heat from a substance. We know that when we cool a substance, there would be the removal of heat and the molecules that are in the substance would  begin to loose the energy that they one had.

Now we can be able to obtain the energy that is lost as we freeze the water by the use of the formula that we can be able to write here as;

H = mcdT

H = heat lost

m = mass of the water

c = specific heat capacity

dT = temperature change

Then we have;

H =  0.290 kg *  2100 J kg−1 ∘C-1 * (14)

= 8526 J

The amount of heat in calories can be obtained as;

1 Cal = 4184 J

Then we have;  8526 J * 1 cal/ 4184 J

= 2.04 cal

The heat that is removed in Btu is obtained from;

1 J = 0.00095 Btu

Thus we have;

8526 J * 0.00095 Btu/1 J

= 8.97 * 10^6 Btu

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Answer:

Temperature is the kinetic energy of the particles of a substance.

Explanation:

The more kinetic energy a particle has the higher it's temperature. In the case of the atmosphere, which is what we are primarily concerned with in Meteorology, we measure this using a mercury thermometer (in certain situations we use an alcohol thermometer and of course modern times have given us things like dewcells and digital thermometers but we always go back to the mercury thermometer for accuracy).

Answer:

c

Explanation:

all the others r physical

Answer:

the first one

Explanation:

Answer:

Light travels at the same speed even if the light source is moving.

Explanation:

I took the test, hope this helps :)

Answer:

A form of punctuation that marks the end of a sentence, statement, etc.

Explanation:

. is a period.

It can be used in a sentence, such as this one.

not sure what period you mean, but if you mean in history n stuff: it means a certain era/time something happened. like the "golden age" it's called that because it didn't last forever/ it was just a phase yknow?

The electromagnetic spectrum encompasses a wide range of electromagnetic radiation, including different types of light. It includes radio waves, microwaves, infrared radiation, visible light, ultraviolet radiation, X-rays, and gamma rays. Each type of light in the EM spectrum has unique properties in terms of energy, wavelength, speed, and frequency. Technological applications across various fields utilize different regions of the EM spectrum.

The EM spectrum spans from long-wavelength, low-energy radio waves to short-wavelength, high-energy gamma rays.

In summary, the EM spectrum consists of different types of light, each with distinct energy, wavelength, speed, and frequency characteristics. Various technological applications utilize different regions of the spectrum to meet specific needs across fields such as communication, imaging, lighting, and medical treatments.

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The period of oscillation of the spring when it is set into motion is 0.808 s.

Given, the spring constant k = 40 N/m

The displacement of the spring Δx = 0.50 m

We have to calculate the mass of the object hung from the spring and the period of oscillation of the spring when it is set into motion.

We know that the force exerted by a spring is given as, `F = -k Δx` Here, F is the restoring force, k is the spring constant and Δx is the displacement of the spring.

Substituting the values,`F = -40 × 0.50 = -20 N`

The negative sign indicates that the direction of the force is opposite to the direction of displacement.

To find the mass of the object, we will use the following formula,`F = ma`

Here, F is the net force acting on the object, m is the mass of the object and a is the acceleration of the object.

Let the mass of the object be m, then,`-20 = m × 9.8` ⇒ `m = 2.04 kg`

Therefore, the mass of the object is 2.04 kg.

Now, we have to calculate the period of oscillation of the spring when it is set into motion.

The time period of a mass spring system is given as,`T = 2π √(m/k)`

Here, T is the period of oscillation, m is the mass of the object and k is the spring constant.

Substituting the values,`T = 2π √(2.04/40)` ⇒ `T = 0.808 s`

Therefore, the period of oscillation of the spring when it is set into motion is 0.808 s.

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Yes, the sound wave with a frequency of 540 Hz will diffract while passing through an opening of 80 cm.

This is because the diffraction of a wave is directly proportional to the wavelength of the wave and inversely proportional to the size of the opening. As the wavelength of a sound wave with a frequency of 540 Hz is approximately 0.63 meters, which is much larger than the size of the opening, it will diffract around the edges of the opening.
Hi! A sound wave with a frequency of 540 Hz will indeed diffract while passing through an opening of 80 cm. The extent of diffraction depends on the wavelength of the sound wave and the size of the opening. In this case, the wavelength is longer compared to the size of the opening, which allows for significant diffraction to occur.

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The maximum transverse acceleration of a point on a wire is closest to 4.7*10³ m/s².

Calculation :

The maximum transverse acceleration ,

A = 3.7mm = 3.7*10⁻³ m

a=Aw²

w = 2πf

   =(2π)(570)

w   = 3.581*10³

w² = 12.826*10⁶

a = (3.7*10⁻³ m)(12.826*10⁶)

a = 4.7*10³ m/s².

In mechanics, acceleration is the price of exchange of an item's pace with appreciate to time. Acceleration is a vector quantity (as lengthy because it has magnitude and direction. The direction of an item's acceleration is given by means of the path of the net pressure performing on that object. As described in Newton's second law. the significance of an object's acceleration is the combined effect of two assets.

Acceleration inside the car's contemporary route of journey is known as linear (or tangential, within the case of circular movement) acceleration, and the passenger perceives that response as pushing returned into the seat. Acceleration acting while changing direction is called radial (or centripetal in the case of circular motion) acceleration, and passengers revel in the response as centrifugal pressure.

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Answer:

2.5

Explanation:

F=m.a

(Force = mass . acceleration)

 5=2.a

a= 5/2 = 2.5

To calculate the new volume of the balloon, we can use the formula:
V2 = V1 * (T2/T1)
where V1 is the initial volume of the balloon, T1 is the initial temperature, T2 is the final temperature, and V2 is the final volume.
Substituting the given values, we get:
V2 = 3.02 * (316.6/295.7)
V2 = 3.23 L (rounded to two decimal places)
Therefore, the new volume of the balloon is 3.23 L when it is heated to 43.6°C.

To calculate the new volume of the balloon, we can use Charles's Law, which states that the volume of a gas is directly proportional to its temperature when the pressure and amount of gas are constant. The formula for Charles's Law is:
V1 / T1 = V2 / T2
Where V1 is the initial volume (3.02 L), T1 is the initial temperature (22.7°C), V2 is the final volume, and T2 is the final temperature (43.6°C). First, convert the temperatures to Kelvin by adding 273.15:
T1 = 22.7°C + 273.15 = 295.85 K
T2 = 43.6°C + 273.15 = 316.75 K

Now plug the values into the formula:
(3.02 L) / (295.85 K) = V2 / (316.75 K)
To find V2, multiply both sides by 316.75 K:
V2 = (3.02 L) * (316.75 K) / (295.85 K)
V2 ≈ 3.24 L
The new volume of the balloon when heated to 43.6°C is approximately 3.24 L.

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Answer:

Fgrav. = GM1×M2/R2

Explanation:

Gravitational force is mostly related

to planetary bodies by Newton's law of gravitation which states that the gravitional force is proportional to the product of the mass of the object and inversely proportional to the square of the distance between them.

Hence in this case the Gravitational force,

Fgrav. = GM1×M2/R2

M1 and M2 are the mass of the two students and R is their distance apart

G is a constant known as gravitational constant.6.67408 × 10-11 m3/kgs2

A weightlifter did 375 joules of work by lifting 250 kg over his head a distance of 1.5 m.

The work done by the weightlifter can be calculated using the equation:

W = F × d

where W is the work done, F is the force applied, and d is the distance traveled.

To calculate the force applied, we can use the equation:

F = m × g

where m is the mass being lifted and g is the acceleration due to gravity.

Using these equations, we can determine the work done by the weightlifter in lifting 250 kg over a distance of 1.5 m as:

F = 250 kg × 9.8 m/\(s^2\) = 2450 N

W = 2450 N × 1.5 m = 375 J

Therefore, the weightlifter did 375 joules of work.

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Answer:

The scientists who discovered them will start things off by proposing a name. But it will be down to the International Union of Pure and Applied Chemistry (IUPAC) to approve it.

I'm slow...

Newly discovered elements often occur at the bottom of the groups where they occur in the periodic table hence they must have very high atomic numbers.

In the periodic table, the properties of elements are arranged in increasing order of their atomic numbers according to the modern periodic law. As you move down the group, the atomic numbers of elements continue to increase.

Since the properties of elements are periodic, newly discovered elements often occur at the bottom of the group hence they have very high atomic numbers.

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Answer:

Second law of thermodynamics.

Explanation:

The second law of thermodynamics states that: "in all energy exchanges, if there is no energy entering or leaving the system, then it means the potential energy of that particular state will definitely be less than the potential energy it had at it's initial state."

Now, for a car to be 100% efficient, it means that there must be some form of heat transfer to the environment. However, this is a violation of the second law of thermodynamics and as such it can't be 100% efficient.

The law that  best describes why the car cannot be 100% efficient is the second law of thermodynamics.

Thermodynamics is the study of heat. Heat is a form of energy that exists as a result of temperature difference between bodies.

According to the second law of thermodynamics, the conversion of energy  from one form to another is not 100% efficient. As such, the thermal efficiency of the engine can be calculated.

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The average distance of Pluto is 3.7 billion miles or 5.9 billion kilometers, 39 astronomical units away from the Sun.

From a median distance of three.7 billion miles. Pluto is 39 astronomical units far away from the solar. One astronomical unit is the space from the solar to Earth. From this distance, it takes daylight five.

Mild from the solar takes about 5.5 hours to reach Pluto at its common distance (39. four AU). Pluto turned into founded in 1930 and turned at the beginning considered the ninth planet from the sun.

Sunlight travels at the rate of mild. Photons emitted from the surface of the sun want to travel across the vacuum of space to attain our eyes. the short solution is that it takes daylight an average of eight mins and 20 seconds to travel from the sun to the Earth.

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