A plane with power "P" can go from rest to velocity "v" in time "T". How much power is required to go from rest to 2v in the same time? Show work. A)P/2 B)4P C)6P D)2P

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steppe04 steppe04 · Answer 1 · 2021-02-09T14:37:32+01:00

Explanation:

Power = Energy / Time

When the velocity doubles the kinetic energy increases by a factor of 4.

So if the time is constant and the velocity doubles, then the power will increase to a factor of 4.

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