Two uniform solid spheres of equal radii R, but mass M and 4 M have a centre to centre separation 6 R, as shown in figure. The two spheres are held fixed. A projectile of mass m is projected from the surface of the sphere of mass M directly towards the centre of the second sphere. Obtain an expression for the minimum speed v of the projectile so that it reaches the surface of the second sphere.

Options

A. 0.11
B. 0.08
C. 0.05
D. 0.01

Answer

B