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A particle initially at rest starts moving from point A on the surface of a fixed smooth hemisphere of radius r as shown. The particle looses its contact with hemisphere at point BC is centre of the hemisphere. The equation relating  α and  β is :
  • a)
  • b)
  • c)
  • d)
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
A particle initially at rest starts moving from pointAon the surface o...
Let v be the speed of particle of B, just when it is about to loose contact.
From application of Newton's second law to the particle normal to the spherical surface.
Applying conservation of energy as the block moves from A to B.
Solving 1 and 2 we get
The correct answer is:  
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Most Upvoted Answer
A particle initially at rest starts moving from pointAon the surface o...
Let v be the speed of particle of B, just when it is about to loose contact.
From application of Newton's second law to the particle normal to the spherical surface.
Applying conservation of energy as the block moves from A to B.
Solving 1 and 2 we get
The correct answer is:  
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A particle initially at rest starts moving from pointAon the surface of a fixed smooth hemisphere of radiusras shown. The particle looses its contact with hemisphere at pointB.Cis centre of the hemisphere. The equation relatingαandβis :a)b)c)d)Correct answer is option 'D'. Can you explain this answer?
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