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Answer to Question #72845 in Mechanics | Relativity for kumar ashu
Question #72845
A wheel 2.0 m in diameter lies in the vertical plane and rotates about its central axis
with a constant angular acceleration of 4.0 rad s−2
. The wheel starts at rest at t = 0 and
the radius vector of a point A on the wheel makes an angle of 60º with the horizontal at
this instant. Calculate the angular speed of the wheel, the angular position of the point A
and the total acceleration at t = 2.0s.
with a constant angular acceleration of 4.0 rad s−2
. The wheel starts at rest at t = 0 and
the radius vector of a point A on the wheel makes an angle of 60º with the horizontal at
this instant. Calculate the angular speed of the wheel, the angular position of the point A
and the total acceleration at t = 2.0s.
Expert's answer
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Comments
AT t=2 why its Pi/3 not 2pi/3 ?
Dear Shubham Chauhan, thank you for your comment.
In last step(to find total acceleration) , u took diameter inplace of radius. R=1 m
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