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A loded spring gun of mass  fires a shot of mass  with a velocity  at an angle of elevation . The gun was initially at rest on a horizontal frictionless surface. After firing, the centre of mass of gun-shot system

a)

Moves with a velocity

b)

Moves with a velocity  in the horizontal direction

c)

Remain at rest

d)

Moves with velocity  in the horizontal direction



Question ID - 52966 | SaraNextGen Top Answer

A loded spring gun of mass  fires a shot of mass  with a velocity  at an angle of elevation . The gun was initially at rest on a horizontal frictionless surface. After firing, the centre of mass of gun-shot system

a)

Moves with a velocity

b)

Moves with a velocity  in the horizontal direction

c)

Remain at rest

d)

Moves with velocity  in the horizontal direction

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

(c)

Since gun-shot system is an isolated closed system, its centre of mass must remain at rest.

127 votes


127