If the frequency of revolution of an object changed from 2Hz to 4 Hz into 2 sec . Calculate its angular acceleration
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Explanation:
it may be right
angular acceleration is defined as rate of change of angular velocity with time
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Answer:
6.28 rad/s.
Explanation:
a = dw/dt
as w = 2*pi*f
a = d(2*pi*f)/dt
a = 2pi df/dt
a = 2pi(2-0/2) = 2pi
a = 2*3.14 = 6.28 rad/s.
as pi = 3.14
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