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A 66 kg student traveling in a car with a constant velocity has a kinetic energy of 1.7  104 J. What is the speedometer reading of the car in km/h?

 Oct 29, 2021
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KE = 1/2 m v2

 

v =sqrt ( 2* KE/m) = sqrt ( 2 (1.7 x 10^4) / 66) =  ...... m/s

 Oct 29, 2021

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