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Nata [24]
2 years ago
11

A 10 kg block is attached to a light cord that is wrapped around the pulley of an electric motor, as shown above. At what rate i

s the motor doing work when it is pulling the block upward with an instantaneous speed of 3 m/s and an upward acceleration of 2 m/s2 ?
Advanced Placement (AP)
1 answer:
jek_recluse [69]2 years ago
6 0

Answer:

360 W.

Explanation:

The\;formula\;to\;find\;the\;Power\;is: P=Fv

In which,

P = Power.

F = Force.

v = velocity.

So, we have to apply values in the formula.

         P=Fv

         F=10\times(10+2)N

         F=120N

         v=3\;m/s\;that\;is\;already\;given

Then,\;\;\;\;\;\;\;\;\;P=120\times3=360W

So, the following answer is correct according to the explanation.

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