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A dog walks 30. m west, then 40. m east and then 20. m south. What is the
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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
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Physics, 22.06.2019 21:50
Ajoint produces movement when its angle decreases. which type of movement is it?
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Physics, 22.06.2019 22:30
Calculate a pendulums frequency of oscillation (in hz) if the pendulum completes one cycle in 0.5s.
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A dog walks 30. m west, then 40. m east and then 20. m south. What is the...
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