Question

A solid sphere of uniform density and radius 4 units

Answer 1

Answer:

A solid sphere of uniform density and radius 4 units is located with its centre at the origin O of coordinates. Two sphere of equal radii 1 unit, with their centres at A(-2,0 ,0) and B(2,0,0) respectively, are taken out of the solid leaving behind spherical cavities as shown if fig Then: <br> <img

Answer 2

both a&c ,hope it helps you