A 1200-kg car travels up the 8-percent incline shown. The car is subjected to a 190-N aerodynamic drag force. Determine the power output required in hp at a speed of 27 m/s if (a) the speed is constant, (b) the speed is increasing at the rate of 0.5 m/s per second, and (c) the speed is decreasing at the rate of 0.5 m/s per second. (P = 40.9 hp, P = 62.6 hp, P = 19.1 hp) v, a 8 100

A 1200-kg car travels up the 8-percent incline shown. The car is subjected to a 190-N aerodynamic drag force. Determine the power output required in hp at a speed of 27 m/s if (a) the speed is constant, (b) the speed is increasing at the rate of 0.5 m/s per second, and (c) the speed is decreasing at the rate of 0.5 m/s per second. (P = 40.9 hp, P = 62.6 hp, P = 19.1 hp) v, a 8 100

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.78P: The figure shows a steel bar being processed by a rolling mill. Given that P=80kN and r =0.016,...

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