Asked by kate
A 0.58- kg flashlight is swung at the end of a string in a horizontal circle of 0.85- m radius with a constant angular speed. If no torque is applied, what must the radius become if the angular speed of the flashlight is to be halved?
Answers
Answered by
bobpursley
Assuming conservation of momentum
mr^2*w=m(R)^2* w/2
Find R in terms of r
mr^2*w=m(R)^2* w/2
Find R in terms of r
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