1. No category

Name:________________________________
Date:____________________
Pd. _______ Pd. 7
Worksheet: Calculating Energy
Determine whether the objects in the following problems have kinetic or potential energy.
Then, choose the correct formula to use:
Make sure you fill in the energy type, givens (listed as variables), equation, calculations, and final answer (with
units).
1. You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed fo 30 m/s.
The volleyball has ____________________ energy.
Givens:
Equation:
Calculations:
Answer: _________________________ [don’t forget units]
*Worksheet adapted from
http://cprepphysicalscience.weebly.com/uploads/1/2/7/7/12774250/potential_and_kinetice_energy.pdf
2. A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weights 2.1kg.
The baby and the carriage have ____________________ energy.
Givens:
Equation:
Calculations:
Answer: _________________________ [don’t forget units]
3. A car is traveling with a velocity of 40 m/s and has a mass of 1120 kg.
The car has ____________________ energy.
Givens:
Equation:
Calculations:
Answer: _________________________ [don’t forget units]
4. A cinder block is sitting on a platform 20 m high. Its mass is 7.7kg.
The cinder block has ____________________ energy.
Givens:
Equation:
Calculations:
Answer: _________________________ [don’t forget units]
5. There is a bell at the top of a tower that is 45 m high. The bell’s mass is 19.4kg.
The bell has ____________________ energy.
Givens:
Equation:
Calculations:
Answer: _________________________ [don’t forget units]
6. A roller coaster is at the top of a 72m hill and its mass is 102kg.
The coaster (at this moment) has ____________________ energy.
Givens:
Equation:
Calculations:
Answer: _________________________ [don’t forget units]
This graph shows a ball rolling from A to G. The ball starts at point A and rolls to point G.
7. At what letter(s) does the ball have the greatest kinetic energy? __________________
8. At what letter(s) does the ball have the least kinetic energy? _____________________
9. At what letter(s) does the ball have the greatest potential energy? ________________
10. At what letter(s) does the ball have the least potential energy? ___________________