A 1500kg car is travelling with an initial velocity of 30.0 km/h while traveling through a school zone. Upon exiting the school zone the car accelerates to reach a speed of 65.0 km/h in 6.60 s. If the engine supplied 45.0 kW of power to do this, what is the efficiency of the engine?

A 1500kg car is travelling with an initial velocity of 30.0 km/h while traveling through a school zone. Upon exiting the school zone the car accelerates to reach a speed of 65.0 km/h in 6.60 s. If the engine supplied 45.0 kW of power to do this, what is the efficiency of the engine?

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter5: Energy

Section: Chapter Questions

Problem 57P: A 1.50 103-kg car starts from rest and accelerates uniformly to 18.0 m/s in 12.0 s. Assume that,...

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Question

A 1500kg car is travelling with an initial velocity of 30.0 km/h while traveling through a
school zone. Upon exiting the school zone the car accelerates to reach a speed of 65.0
km/h in 6.60 s. If the engine supplied 45.0 kW of power to do this, what is the
efficiency of the engine?

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