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zhenek [66]
3 years ago
6

3. A 0.35 kg puck slides across the ice with an average force of friction of 0.15 N acting on it. It slides 82 m before coming t

o rest. How much work was done on the puck?
Physics
1 answer:
sattari [20]3 years ago
5 0

Answer:

Work done is 12.3 J

Explanation:

We have,

Mass of puck, m = 0.35 kg

Force of friction acting on the puck when it slides is 0.15 N

Distance travelled by the puck is 82 m.

It is required to find the work done on the puck. Finally the puck comes to rest and the force of friction is acting on it. It means the applied force is 0.15 N. Work done is given by

W=Fd\\\\W=0.15\times 82\\\\W=12.3\ J

The work done on the puck is 12.3 J.

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A force of 14 lb is required to hold a spring stretched 4 in. beyond its natural length. How much work W is done in stretching i
enyata [817]

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