A mouse of mass 200 g falls 100 m down a vertical mine shaft and lands at the bottom with a speed of 8.0 m/s. During its fall, how much work is done on the mouse by air resistance?

Q: Show work

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Q: A l O

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Q: NO.74

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A:

Q: If a rock of mass 6kg is dropped from a height, and has a velocity of 5 m/s when it hits the ground,…

A: The kinetic energy of the rock just before it hits the ground will be KE=12mv2=126kg5m/s2=75J

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Q: How was 3.15 derived as the Vf of the ball in the provided solution.

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Q: find the mass of body, when the wight of body = 686N .A 70N .B 76Kg .c 70000g .D 60Kg

A: