Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V

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Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 718-kg electric car be able to supply to do the following?

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

(b) climb a 200-m high hill in 2.00 min at a constant 25.0 m/s speed while exerting 403 N of force to overcome air resistance and friction

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College Physics

ISBN: 9781711470832

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Authors: OpenStax

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Posted Date: Apr 28, 2024 09:42 AM

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Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V

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a To accelerate the car from rest to a speed of 250 ms in 100 minute we need to calculate the power required and then determine the current needed fro... View the full answer

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