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andrew11 [14]
4 years ago
8

Which scenario involves kinetic energy transforming into potential energy? A. a book lying on a shelf B. a train traveling at a

constant speed C. a person drawing back the string of a bow and arrow D. a ball beginning to descend after being thrown upward
Physics
1 answer:
NeX [460]4 years ago
6 0
The answer is C.

The Kinetic energy which was exerted and experience pulling the string of a bow is kept as a potential energy at the end of the arrow in contact with the string. Once release from aim at stationary position the potential energy is again transformed.
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A toy cart is pulled a distance of 6.00 m in a straight line across the floor. The force pulling the cart has a magnitude of 20.
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W = 95.8J

Explanation:

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Thus,

mv²/r = mg [(sin 28 + μ cos 28)/(cos 28 - μ sin 28)]

v²/r = g [(sin 28 + μ cos 28)/(cos 28 - μ sin 28)]

v²/36 = 9.8 [(0.4695 + 0.87*0.8829) - (0.8829 - 0.87*0.4695)]

v²/36 = 9.8 [(0.4695 + 0.7681) / (0.8829 - 0.4085)]

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5 0
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