Assuming 89.0% efficiency for the conversion of electrical power by the motor, what current (in A) must the 12.0 V batteries of a 755 kg electric car be able to supply in order to do the following? (a) to accelerate from rest to 25.0 m/s in 1.00 min. A (b) to climb a 2.00 ✕ 102 m high hill in 2.00 min at a constant 25.0 m/s speed while exerting 5.10 ✕ 102 N of force to overcome air resistance and friction. A (c)to travel at a constant 25.0 m/s speed, exerting a 5.10 ✕ 102 N force to overcome air resistance and friction. A

Given, Efficiency of the motor, η = 89.0%potential differnce of the batteries, V = 12.0 Vmass of the…

Answered: Assuming 89.0% efficiency for the…

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

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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Assuming 89.0% efficiency for the conversion of electrical power by the motor, what current (in A) must the 12.0 V batteries of a 755 kg electric car be able to supply in order to do the following?

(a) to accelerate from rest to 25.0 m/s in 1.00 min. A

(b) to climb a 2.00 ✕ 10² m high hill in 2.00 min at a constant 25.0 m/s speed while exerting 5.10 ✕ 10² N of force to overcome air resistance and friction. A

(c)to travel at a constant 25.0 m/s speed, exerting a 5.10 ✕ 10² N force to overcome air resistance and friction. A

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