9 question pls solve i have to verify
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W angular velocity
Pi π
f frequency
a angular acceleration
○ Angular displacement
f = 60 rpm = 1 rps
w=2pi×f=2pi
a=pi
t=4sec.
○=wt+1/2 at^2=2pi×4+1/2 × pi×16=8pi+8pi= 16 pi
That's the answer.
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