Wednesday, 12 November 2014

M-PnC 01

The no: of ways of painting the six faces of a cube with six different given colours is..........

Sunday, 9 November 2014

P-Gravitation-02

2)A Uniform sphere has mass M and Radius R. Find the gravitational pressure P inside the sphere as a function of distance r from its center


P-Gravitation-01

1)Two massive particles of masses M and m (M>m) are separated by a distance L. They rotate with equal      angular velocity under their gravitational attraction. What is the linear speed of the particle of mass m?