Two bodies each of mass 10 kg attract each other with a force of 0.1 milligram weight. What is the distance between them ?

A sphere of mass 25 kg attracts another sphere of mass 24kg with a force of 0.1 milligram weight. if distance between the centres of two sphere is 20 cm, what is the value of G ?

Two equal magnetic poles placed 10 cm apart in air attract each other with a force of 0.4 xx 10^(-4)N . What should be the distance of separation between them so that the force of attraction of 0.6 xx 10^(-4)N ?

Two bodies each of mass 1kg are at a distance of 1m. The escape velocity of a body of mass 1 kg which is midway between them is

The gravitational force of attraction between two bodies at a distance X is 20 N. What will be the force of attraction between them if the distance between them is made 2X?

The bodies of masses 40 kg and 80 kg are at a distance of 0.15 m from each other . Two force of gravitation between the bodies is 1.0 mg wt. calculate the constant of gravitation . Take g = 10 ms^(-2) .

Two electrones each of mass 9.1xx10^(31) kg are at a distance of 10 A. calculate the gravitational force of attraction between them. Given 1 A=10^(10) m .