2. A child is holding a 3 kg ball out of a window that is 8 m high. a. What type of energy does the ball have?
b. How much energy does the ball have?

Acar moves at 12m/s and coasts up a hill with a uniform acceleration of -1.6m/s2. how far has it traveled after 6.0s?

Alead ball is dropped into a lake from a diving board 5m above the water . it hits the water with a certain velocity and then sink with constant velocity in bottom . it reaches the bottom 5 second after it is dropped if g= 10m/s2 . find depth of the lake and average velocity of the ball ?

How to calculate voltage drop in a series circuit