Answered: car | bartleby

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter7: Work And Kinetic Energy

Section: Chapter Questions

Problem 83P: When jogging at 13 km/h on a level surface, a 70-kg man uses energy at a rate of approximately 850...

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A car with a mass of m = 980 kg climbs a slope at a constant speed of s = 11.8 m/s and encounters air resistance and friction that totals f = 570 N. The power of the engine is P = 135 kW, but the efficiency is e = 0.37. (In other words, the power delivered to the car is e = 0.37 times the power of the engine.)Write an expression for sin(φ), where φ is the maximum slope angle for which the car can maintain the given speed.Your answer should be in terms of the symbols given in the problem statement and g (the acceleration due to gravity).

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