angelclark67641 angelclark67641

12-04-2024
Physics

contestada

(a) How high a hill can a car coast up (engine disengaged) if friction is negligible and its initial speed is 84. 0 km/h?
(b) If, in actuality, a 750 kg car with an initial speed of 84. 0 km/h is observed to coast up a hill to a height 15. 0 m above its starting point, how much thermal energy was generated by friction?

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