Physics Laboratory Manual
Physics Laboratory Manual
4th Edition
ISBN: 9781133950639
Author: David Loyd
Publisher: Cengage Learning
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Chapter 12A, Problem 7PLA

A mass of 0.400 kg is raised by a vertical distance of 0.450 min the earth's gravitational field. What is the change in its gravitational potential energy? Assume the acceleration due to gravity is g = 9.80 m/s2. Show your work.

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A 0.25 kg apple falls from a tree branch 12.2 m above the ground into a basket 1.3 m above the ground. What was the change in the apple's gravitational potential energy? Show your work.   A  ball 1.56 kg traveling 4.6 m/s horizontally landed in a 22 kg wheeled cart that began at rest. What was the final velocity of the system? Show your work.
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A player kicks a soccer ball (0.5 kg mass) at the goal. It hits the crossbar at a height of 2.5 m, while moving at a speed of 30 m/s. a) What is the total energy of the ball when it hits the crossbar? Show your work. b) A soccer ball sits at rest on top of a building. How tall does the building have to be so that the ball has the same energy as the soccer ball in part a)? Show your work.
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Kinetic Energy and Potential Energy; Author: Professor Dave explains;https://www.youtube.com/watch?v=g7u6pIfUVy4;License: Standard YouTube License, CC-BY