how do i find the velocity?

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how do i find the velocity?

A car company puts a 50 horsepower engine in a car. at a test run, they run the car for 8 seconds. if the car started from rest, what is the final velocity? i cannot figure out what formula to use

2007-11-08 10:08:01 · 2 answers · asked by chris r 1 in Science & Mathematics ➔ Physics

2 answers

Simple:
Poweris a rate of energy flow
P=E/t

Energy is work done by a force F over distance s

E=F s

v=s/t

What was the mass of the car? :-)

2007-11-08 10:24:15 · answer #1 · answered by Edward 7 · 0⤊ 0⤋

You don't have enough info to make the estimate. Whats the mass and friction of the car?

2007-11-08 10:27:54 · answer #2 · answered by jim m 5 · 0⤊ 0⤋