An older-model car accelerates from 0 to speed v in a time interval of at. A...

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Question

science physics

Answer 1

Answer #1

We know that

P = E/t

E = 1/2 m v^2

Pnew/Pold = v(new)^2/v(old)^2

P(new)/P(old) = 5^2/1^2 = 25

Hence,P(new)/P(old) = 25

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Answer 2

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