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Two identical particles of mass m are initially at rest at infinite distance from earth. Now they start moving towards each other under mutual force of attraction. When the distance between them is r, the velocity of each body is

Two identical particles of mass m are initially at rest at infinite distance from earth. Now
they start moving towards each other under mutual force of attraction. When the
distance between them is r, the velocity of each body is

Grade:12

1 Answers

Arun Kumar IIT Delhi
askIITians Faculty 256 Points
9 years ago
At infinity there potenial energy is ZERO

but at distance of r
loss in U = gain in K


Arun Kumar
IIT Delhi
Askiitians Faculty

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