IV. Determine whether the objects in the following problems have kinetic or potential energy. Then choose the correct formula to use and solve the problem. (Be sure to show your work!) 21. You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. The ball has energy. Calculate it. 22. A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 12 N. The carriage has energy. Calculate it. 23. A car is traveling with a vel ocity of 40 m/s and has a mass of 1120 kg. The car has Calculate it. energy.
IV. Determine whether the objects in the following problems have kinetic or potential energy. Then choose the correct formula to use and solve the problem. (Be sure to show your work!) 21. You serve a volleyball with a mass of 2.1 kg. The ball leaves your hand with a speed of 30 m/s. The ball has energy. Calculate it. 22. A baby carriage is sitting at the top of a hill that is 21 m high. The carriage with the baby weighs 12 N. The carriage has energy. Calculate it. 23. A car is traveling with a vel ocity of 40 m/s and has a mass of 1120 kg. The car has Calculate it. energy.
Physics for Scientists and Engineers with Modern Physics
10th Edition
ISBN:9781337553292
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter7: Energy Of A System
Section: Chapter Questions
Problem 25P: Review. You can think of the workkinetic energy theorem as a second theory of motion, parallel to...
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