Question

In the following fig.a body of mass m is tied at one end of a light string and this string is wrapped around the solid cylinder of mass M and radius R .At the moment t= 0 the system starts moving.If the friction is negligible angular velocity at time t would be

Answer 1

Explanation:

if the density of earth increased four times and its radius become half of what it is of weight will increase or decrease how many times

Answer 2

Answer:

Explanation:

That's it....