A 1500 kg car starts from rest on a horizontal road and gains a speed of 72
Question:
(a) What is its kinetic energy at the end of the 30 s?
(b) What is the average power required of the car during the 30 s interval?
(c) What is the instantaneous power at the end of the 30 s interval, assuming that the acceleration is const ant?
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Step by Step Answer:
a The kinetic energy K of the automobile of mass m at t 30 s is 1000 mkm 3600 sh 1 1 Kmv 1 2 2 b ...View the full answer
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Related Book For 
Fundamentals of Physics
ISBN: 978-0471758013
8th Extended edition
Authors: Jearl Walker, Halliday Resnick
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