An all-electric car (not a hybrid) is designed to run from a bank of 12.0 V batteries with total energy storage of 1.90 x 10 J. (a) If the electric motor draws 8.20 kW as the car moves at a steady speed of 20.0 m/s, what is the current (in A) delivered to the motor? A (b) How far (in km) can the car travel before it is "out of juice"? km (c) What If? The headlights of the car each have a 65.0 W halogen bulb. If the car is driven with both headlights on, how much less will its range be (in m)? m
An all-electric car (not a hybrid) is designed to run from a bank of 12.0 V batteries with total energy storage of 1.90 x 10 J. (a) If the electric motor draws 8.20 kW as the car moves at a steady speed of 20.0 m/s, what is the current (in A) delivered to the motor? A (b) How far (in km) can the car travel before it is "out of juice"? km (c) What If? The headlights of the car each have a 65.0 W halogen bulb. If the car is driven with both headlights on, how much less will its range be (in m)? m
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter21: Current And Direct Current Circuits
Section: Chapter Questions
Problem 19P
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