Question
Asked Dec 17, 2019
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A certain truck has twice the mass of a car. Both are moving at
the same speed. If the kinetic energy of the truck is K, what is the
kinetic energy of the car? (a) K/4 (b) K/2 (c) 0.71K (d) K (e) 2K

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Expert Answer

Step 1

Formula for the kinetic energy is:

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Step 2

Using the expression of the kinetic energy the kinetic energy of car and truck is related as:

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Step 3

Speed is same and mass of the truck is tw...

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