Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 828-kg electric car be able to supply to do the following? (a) accelerate from rest to 25.0 m/s in 1.00 min 95% of the power supplied by the motor goes into increasing the kinetic energy of the car. A (b) climb a 200-m high hill in 2.00 min at a constant 25.0 m/s speed while exerting 433 N of force to overcome air resistance and friction
Assuming 95.0% efficiency for the conversion of electrical power by the motor, what current must the 12.0-V batteries of a 828-kg electric car be able to supply to do the following? (a) accelerate from rest to 25.0 m/s in 1.00 min 95% of the power supplied by the motor goes into increasing the kinetic energy of the car. A (b) climb a 200-m high hill in 2.00 min at a constant 25.0 m/s speed while exerting 433 N of force to overcome air resistance and friction
College Physics
1st Edition
ISBN:9781938168000
Author:Paul Peter Urone, Roger Hinrichs
Publisher:Paul Peter Urone, Roger Hinrichs
Chapter20: Electric Current, Resistance, And Ohm's Law
Section: Chapter Questions
Problem 64PE: Integrated Concepts (a) Assuming 95.0% efficiency for the conversion of electrical power by the...
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