GPE and KE Worksheet #2
1. Energy in motion is called
2. Stored energy of motion is called
3. The SI units for mechanical energy are
4. The formula for mechanical energy is
5. The formula for gravitational potential energy is
6. What is the GPE of a 3 kg block 10 m above the floor?
7. What is the KE of a 6.2 kg mass at 4.25 m/s?
8. How high does a 2.5 kg ball need to be raised in order to obtain a GPE of 230 J?
9. At what velocity will a 455 kg wrecking ball have 1000. J of kinetic energy?
10. What is the GPE of a 10 kg rock that is 100 m above the earth?
11. Mark carries a 23.6 kg cinder block up to the top of a 15 story building (45 m).
a. How much work did Mark do?
b. What is the GPE of the block?
c. When he drops it what will be the velocity of the block when it strikes the ground?
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