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(a) What is power? (b) The time takes to move an object at a distance of 5m is 10s is the force applied is 30N, what is the power?

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(a) What is power? 

(b) The time takes to move an object at a distance of 5m is 10s is the force applied is 30N, what is the power?

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(a) Rate of doing work is power

(b) Power P = E

W = Fs = 30 × 5 = 150J

t = 10sec.

Power P = \(\frac{150}{10s}\) = 15W

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