Question

4) Does the kinetic energy of a car change more when it goes from 10 m/s to 20
m/s or when it goes from 20 m/s to 30 m/s?
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Answer 1

Answer:

The kinetic energy changes more if the car goes from 15 m/s to 20 m/s. This is because when a body goes from speed v1 to speed.