Asked by Tally

How long will it take a 1000kg cat=r with a power output of 30,000W to go from rest to 20m/s?

Answers

Answered by drwls
Calculate the required kinetic energy increase. That equals power 8 time.

Solve for time.

That will give you an approximate answer. Power from a car engine does not remain constant during acceleration from a standing start.
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