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Two spheres of masses  and  are initially at rest at a distance  apart. Due to mutual force of attraction, they approach each other. When they are at separation , the acceleration of the centre of mass of spheres would be

a)

b)

c)

d)



Question ID - 53189 | SaraNextGen Top Answer

Two spheres of masses  and  are initially at rest at a distance  apart. Due to mutual force of attraction, they approach each other. When they are at separation , the acceleration of the centre of mass of spheres would be

a)

b)

c)

d)

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

(a)

Initial acceleration of the system is zero. So it will always remain zero because there is no external force on the system

127 votes


127