Question:

A car of mass m has an engine which can deliver a maximum power of P. What is the minimum time in which the car can be accelerated from rest to a speed v?

(A)  m(v^2) / 2P

(B) 2P / m(v^2)

(C) P / mv

(D) mv / P

Good Luck!

Rgds,

Ilyasa

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Answer: A

 

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