Two balls of equal size are dropped from the same height from the roof of a building. One ball has twice the mass of the other. When the balls reach the ground, how do the kinetic energies of the two balls compare? Neglect air resistance The lighter one has the same kinetic energy as the heavier one

Q: The F(0) isn't 1250 - it is 1230. This makes the solution that you gave me incorrect.

A:

Q: How would I answer part D?

A: Write the expression for the centripetal force.

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A: power is   P=W∆t = ∆ KE∆t where, W is work done, W = ∆KE and ∆t is time interval of work done

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Q: Calculate the following commutators and explain the results [Ly,L.), [L²,L.], [J²-J.] and [Ly,L.J.

A:

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A: According to question we need to find rest energy of 1 proton and 1 neutron.

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A:

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.