Get It? Explain Using the equation for translational kinetic energy, show why a car moving at 20 m/s has four times the translational
kinetic energy of the same car moving at 10 m/s.

Explanation:

Kinetic energy is given by

m =  Mass of object

v = Velocity of object

Here mass is constant so

= Intial velocity of the car = 20 m/s

= Final velocity of the car = 10 m/s

So, a car moving at 20 m/s has four times the translational kinetic energy of the same car moving at 10 m/s.

the answer is d. 4

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