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Physics, 21.06.2019 22:20
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 10:30
What are two different ways you could find the value of a? explain these methods.
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Physics, 22.06.2019 11:50
Select all that applywhat are some basic resources a family is expected to provide for children? educationclothesspending
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What types of forces can move an object?...
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