解決済み
16). Harman is driving his 2500 kg car at 25 m/s. As he approaches a red light, he steps on the brakes and his car comes to rest after 56 m. Determine the force of friction as the car breaks.
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The force of friction consumes the kinetic energy of the car.
Now, let F be the force of friction, make a following equation of energy conservation
By solving that equation, we can determine the force of friction F.
質問者からのお礼コメント
大変助かりました!ありがとうございます。