The acceleration due to gravity gM on the moon is approximately 1.62 m/s2. An astronaut shifts the position of a 3.00-kg rock from 1.200 m to 1.700 m above the moon's surface. What is the change in the rock's gravitational potential energy? A. 2.43 J B. –2.43 J C. 14.7 J D. –14.7 J
Answers: 1
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If a spring has a k value of 100 newtons per meter and it is stretched 0.50 meters, what is the restoring force of the spring?
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All the simple machines make work easier to do by changing the or of a force. a. size; type b. work; type c. size; direction d. type; direction
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The system is released from rest with the cable taut, and the homogeneous cylinder does not slip on the rough incline. determine the angular acceleration of the cylinder and the minimum coeffi cient s of friction for which the cylinder will not slip.
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The acceleration due to gravity gM on the moon is approximately 1.62 m/s2. An astronaut shifts the p...
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