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A mass is tied to a string and made to rotate in a horizontal-(Answered)

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Kindly solve and show steps for all attached sections of the problem from my homework practice set.


A mass is tied to a string and made to rotate in a horizontal plane while other end of string is held

 

vertically by a man. The radius of the string on the table is changed from 0.29 to 0.11 as the dstring is

 

pulled. The initial velocity of mass is 1.2 m/s. Find:

 

1) Final speed

 

2) Tension in string

 

3) Work done.

 


 

 

Paper#9210483 | Written in 27-Jul-2016

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