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Grade: 11

                        

A wheel making 20 revolutions per second is stopped in 20 seconds Its angular retardation is?

one month ago

Answers : (1)

Vikas TU
12277 Points
							 
Dear studnet 
Wheel making 20 revolution per second 
Means angular velocity = 20 rev/second
Time = 20 second 
angular acceleration = 20*2pi / 20 
We multiply by 2*pi because in 1 revolution , the wheel is covering this much radian.
so, angular acceleration = 2pi 
 
19 days ago
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