a ball is on something like a miniature seesaw and a heavier object is dropped across from the ball. the ball is launched into the air because of the weight of the other object. what are the energy conversions that happen right after the heavier object is dropped?
in advance

Two objects of different mass start from rest, are pulled by the same magnitude net force, and are moved through the same distance. the work done on object 1 is 900 j. after the force has pulled each object, object 1 moves twice as fast as object 2. how much work is done on object 2?

Asmall grinding wheel has a moment of inertia of 4.0×10−5 kg⋅m2 . what net torque must be applied to the wheel for its angular acceleration to be 150 rad/s2 ?

If the specific heat of a metal is 0.850 j/g °c, what is its atomic weight?