1 - a 0.250 kg egg-drop project is at the top of the 14 meter tall stadium. what is the projects potential energy?
2 - Jason has decided to become a jockey. he and his horse have a combined mass of 550 kg, and they are traveling at 15 m/s when they cross the finish line (in first place!) what is their kinetic energy?
3 - a 0.5 kg ball is at the top of a 20 meter tall hill.
a) What is the ball's kinetic energy?
b) what is the ball's potential energy?
c) what is the ball's mechanical energy?
4 - a 2.0 kg toy has been thrown in the air it is 1.5m above the ground and is moving up at 3.0 m/s
a) What is the toy's kinetic energy?
b) what is the toy's potential energy?
c) what is the toy's mechanical energy?
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