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In fig.,a heavy ball of mass 2 m rests on the horizontal surface and the lighter ball of mass is dropped from a height  At the instant the string gets taut, the upward velocity of the heavy ball will be

a)

b)

c)

d)



Question ID - 100492 | SaraNextGen Top Answer

In fig.,a heavy ball of mass 2 m rests on the horizontal surface and the lighter ball of mass is dropped from a height  At the instant the string gets taut, the upward velocity of the heavy ball will be

a)

b)

c)

d)

1 Answer
127 votes
Answer Key / Explanation : (a) -

(a)

Velocity of  when string gets tight,

Combined velocity,

127 votes


127