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23 Nov 2019

A car is traveling along a road, and its engine is turning over with an angular velocity of +190 rad/s. The driver steps on the accelerator, and in a time of 7.0 s the angular velocity increases to +280 rad/s. (a) What would have been the angular displacement of the engine if its angular velocity had remained constant at the initial value of +190 rad/s during the entire 7.0-s interval? (b) What would have been the angular displacement if the angular velocity had been equal to its final value of +280 rad/s during the entire 7.0-s interval? (c) Determine the actual value of the angular displacement during the 7.0-s interval.

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

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THIS QUESTION IS ROTATIONAL KINEMATICS
Q#1
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vf = vi + at
rx = vit + ½ at2
vf2 = vi2 +2arx
rx = ½ (vi + vf)t

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I no this is alot of questions but im having trouble answeringthese! So please help me..

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