A sphere of mass m, moving with velocity V, enters a hanging bag of sand and stops. If the mass of the bag is M and it is raised by height h, then the velocity of the sphere was
A
B
C
D
Text Solution
Verified by ExpertsThe correct answer is:
A
By the conservation of linear momentum
Initial momentum of sphere
= Final momentum of system
…(i)
If the system rises up to height h then by the conservation of energy
…(ii)
⇒ ⇒ 
Substituting this value in equation (i)
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