A carnival carousel accelerates non-uniformly from rest, moving through an angle
ID: 1443069 • Letter: A
Question
A carnival carousel accelerates non-uniformly from rest, moving through an angle of 8.70 rad in 6.60 s. If it's turning at 3.35 rad/s at that time, find the following. (a) Find its average angular speed during that time interval.rad/s
(b) Find its average angular acceleration during that time interval.
rad/s2 A carnival carousel accelerates non-uniformly from rest, moving through an angle of 8.70 rad in 6.60 s. If it's turning at 3.35 rad/s at that time, find the following. (a) Find its average angular speed during that time interval.
rad/s
(b) Find its average angular acceleration during that time interval.
rad/s2 (a) Find its average angular speed during that time interval.
rad/s
(b) Find its average angular acceleration during that time interval.
rad/s2
Explanation / Answer
Initial angular velocity = 0
Final angular velocity = 3.35 rad/s
time taken = 6.60 s
angular displacement = 8.70 rad.
(a)
average angular velocity = angular displacement / time = 8.70 / 6.60 = 1.32 rad/s
(b)
average angular acceleration = change in angular velocity / time = 3.35 - 0 / 6.60 = 0.508 rad/s2
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