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Grade:
        
Ques no.27........plzz reply urgent
Image is attached
 
one year ago

Answers : (1)

Arun
22814 Points
							
 Ø = w1 t + 1/2 ã t^2 

Ø - angular displacement 
w1 - initial angular velocity 
t - time 
ã - angular acceleration 

120 = w1x4 + 1/2x3x4^2 
120 = 4w1 + 24 
w1 = 24 rad s^-1 

w1 = wo + ãt 
w1 - final angular velocity  
wo - initial angular velocity 
24 = 0 + 3t 
t = 8 s
one year ago
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