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What is the Angular Displacement and Velocity?

What is the angular displacement of the wheel between t=5 s and t=15 s? 

What is the angular velocity of the wheel at 15 s?

Judging from the graph,

t = 5 s is 100 rad

t = 15 s is 125 rad

Angular Displacement = 125 – 100 ( vector quantity)


Clockwise 50 and anticlockwise 25 so net displacement

= clockwise 25 rad

Angular velocity = slope of angular displacement vs time curve

angular velocity is a straight line at

t = 15 s
w = (150 -100)/10

= 5 rad/s

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Comment ( 1 )

  1. its -5 rad/s

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