Charlotte A.

asked • 05/01/23

What is the kinetic energy of an automobile with a mass of 1290 kg traveling at a speed of 10.8 m/s?

1 Expert Answer

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Benjamin J. answered • 05/01/23

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We know that the equation for kinetic energy is half the mass times velocity squared, or KE=(1/2)mv2


The problem tells us the value of the automobile's mass is 1290kg, and that its velocity is 10.8 m/s.


This means that KE=(1/2)mv2=(1/2)(1290)(10.8)2=75232.8 or 7.52x104 Joules

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