Asked by baz

If, after rotating for some time at constant angular velocity of 72 rad/s, brakes are applied to the flywheel
producing retardation of 4 rad/s2
, determine the time taken to reduce its angular velocity to 40 rad/s.

Answers

Answered by Henry
V = Vo + a*t
V = 40 rad/s
Vo = 72 rad/s
a = -4 rad/s^2
Solve for t
Answered by Anonymous
16 sec
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