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A body of mass m tied at the end of a massless string of length l (fixed at other end) is projected with horizontal velocity . At what height from initial level will it leave
the circular path?
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'A'. Can you explain this answer?
Verified Answer
A body of mass m tied at the end of a massless string of length l (fix...
The height at which body leave the circle.
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Most Upvoted Answer
A body of mass m tied at the end of a massless string of length l (fix...
When a bob is thrown with velocity√2gl , the bob reaches 90
When a bob is thrown with velocity√5gl , the bob reaches 180

√2gl < √4gl="" />< />
So it will be between 90 and 180

Draw FBD at max point , and make equation with
>>Tension
>>Weight
>>Centripetal Force
>>Angle to horizontal , after 90

Substitute , T = 0 , as at maximum point between string slacks

And , also apply conservation of energy
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A body of mass m tied at the end of a massless string of length l (fixed at other end) is projected with horizontal velocity . At what height from initial level will it leavethe circular path?a)b)c)d)Correct answer is option 'A'. Can you explain this answer?
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