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An isolated particle of mass  is moving in horizontal plane  along the –axis, at a certain height above the ground. It suddenly explodes into two fragment of masses and . An instant later, the smaller fragment is at . The larger fragment at this instant is at

a)

b)

c)

d)



Question ID - 100590 | SaraNextGen Top Answer

An isolated particle of mass  is moving in horizontal plane  along the –axis, at a certain height above the ground. It suddenly explodes into two fragment of masses and . An instant later, the smaller fragment is at . The larger fragment at this instant is at

a)

b)

c)

d)

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

(a)

Before explosion, particle was moving along -axis, i.e., it has no -componentof velocity. Therefore, the centre of mass will not move in -direction or we can say

Now

Therefore,

or

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