Asked by Sarah

If a 1500 kg car is moving 20.0 m/s is brought to a stop by brakes. How many kilocalories of heat are generated in the process?

Please include the formula that I should use to find the answer.
-Thanks
Answered by bobpursley
Wouldn't the Kinetic energy all turn to heat? KE= 1/2 m v^2

YOu will have to change it to Kcal, as KE is in joules. You can check your calcs by pasting this into Google search window

1/2 * 1500kg * (20m/s)^2 in kilocalories
Answered by Sarah
I tried pasting the equation into google but,nothing happened
Answered by Anonymous
A 1500 kg car moving at 20.0 m/s is brought to a stop by the brakes. How many kilocalories of heat are generated in this process?

Answered by Anonymous
72 kcal
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