Question

Particles of masses 12 and 6kg r rwleased from a separation 60m and move towards each other under the mutual gravitational force. they will hit eachother at a distance of

Answer 1

Here f will be same
Therfore a1 =f/12
And a2 =f/6
A2=2a1
So x2 =2x1
X1+2x1=60
X1=60/3=20
Form m1