uppose a car approaches a hill and has an initial speed of 104 km/h at the bottom of the hill. The driver takes her foot off of the gas pedal and allows e car to coast up the hill. Part (a) If the car has the initial speed stated at a height of h = 0, how high, in meters, can the car coast up a hill if work done by friction is Part (b) If, in actuality, a 790-kg car with an initial speed of 104 km/h is observed to coast up a hill and stops at a height 23.5 m above its starting point, how much thermal energy was generated by friction in J? negligible?
uppose a car approaches a hill and has an initial speed of 104 km/h at the bottom of the hill. The driver takes her foot off of the gas pedal and allows e car to coast up the hill. Part (a) If the car has the initial speed stated at a height of h = 0, how high, in meters, can the car coast up a hill if work done by friction is Part (b) If, in actuality, a 790-kg car with an initial speed of 104 km/h is observed to coast up a hill and stops at a height 23.5 m above its starting point, how much thermal energy was generated by friction in J? negligible?
College Physics
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ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
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Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:uppose a car approaches a hill and has an initial speed of 104 km/h at the bottom of the hill. The driver takes her foot off of the gas pedal
and allows e car to coast up the hill.
Part (a) If the car has the initial speed stated at a height of h = 0, how high, in meters, can the car coast up a hill if work done by friction is
Part (b) If, in actuality, a 790-kg car with an initial speed of 104 km/h is observed to coast up a hill and stops at a height 23.5 m above its starting
point, how much thermal energy was generated by friction in J?
negligible?
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