A ball is dropped from rest from a height
m. How long does it take to strike
the ground? (u...
Physics, 02.03.2021 02:50 pandasarecute53
A ball is dropped from rest from a height
m. How long does it take to strike
the ground? (use g = 10 m/s)
of 1.38
Answers: 2
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Acave rescue team lifts an injured spelunker directly upward and out of a sinkhole by means of a motor-driven cable. the lift is performed in three stages, each requiring a vertical distance of 11.0 m: (a) the initially stationary spelunker is accelerated to a speed of 4.80 m/s; (b) he is then lifted at the constant speed of 4.80 m/s; (c) finally he is decelerated to zero speed. how much work is done on the 78.0 kg rescue by the force lifting him during each stage
Answers: 2
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Answers: 1
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