Homework Help: physics

Posted by Anonymous on Monday, October 4, 2010 at 9:22pm.

How long will it take an 850 kg car with 40 hp (horsepower) to reach the speed of 15 m/2, neglecting friction?

40 hp=29840 watts

I know P=W/t but what is W?

physics - Anonymous, Monday, October 4, 2010 at 9:43pm
CORRECTION: that is supposed to be 15m/s NOT 15m/2

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