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by | Jun 24, 2023 | Posted Assignments

We have seen many examples of friction doing negative work. In this problem we see friction doing positive work to accelerate a car. A 1500 kg car accelerates uniformly from rest to 10 m/s in 3.0 s on a level road. Neglect air resistance or other dissipative forces.

17. We have seen man}.r examples of?’iction doing negative work. In this goblem we see ?iction doingpositive work to accelerate a car. A 1500 kg car accelerates uniformly from rest to 10 this in 3.0 s on alevel road. Neglect air resistance or other dissipative forces- a) b) C)d) 6) Find the work done on the car in this time. What force does the work &amp;to accelerate the car? Find the average power delivered to the car over the 3 s. Does your answer underestimates oroverestimates the true power output of the engine? Explain Determine the instantaneous power delivered to the engine at 2 sec- Derive general expressions for the average power and for the instantaneous power for a car ofmass m that accelerates at rate a for atime I. By what factor would doubling the mass of the car, without changing the driving force, affect theinstantaneous power output?I

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