1. You throw a ball from the top of a 50 m high building at 12 m/s upward. The ball misses the building on the way down. The mass of the ball is 2 kg.
a. Using energy considerations, how high does the ball go?
b. Using energy considerations, what is the magnitude of the velocity just as it strikes the ground?
c. What is the work done by the force of gravity on the ball while the ball is travelling upward?
d. What is the total work done by the force of gravity on the ball?