Question: keep getting it wrong (a) How high (in m) a hill can a car coast Lib (engine disengaged) if friction is negligible and its initial

keep getting it wrong

(a) How high (in m) a hill can a car coast Lib (engine disengaged) if friction is negligible and its initial speed is 84.0 km/h? (Enter a number.) m (b) I 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 13.0 m above ltE starting point. how much thermal energy (in J) was generated by friction? (Enter a number.) J (c) What is the average force of friction (clown the slope) if the hill has a slope 2.50 above the horizontal? (Enter your answer in N. Enter a number) N

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