(adsbygoogle = window.adsbygoogle || []).push({}); 1. The problem statement, all variables and given/known data

How much work must be done to stop a 1100 kg car traveling at 118 km/hr?

2. Relevant equations

Ei + W= Ef

KE= 1/2mv^2

3. The attempt at a solution

KE= 1/2mv^2

118kmx1000m/360s= 327.78

327.78^2= 107437.76

107437.76x1100= 118181537.9

118181537.9/2 = -5.91x10^7

thanks for any help

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# Homework Help: Work to stop a car

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