Question

A ring,a disc and a sphere all of the same radius and same mass roll down on an inclined plane from same height 'h'.
Which of the three reaches the bottom:
(1)earliest ?
(2)latest ?

Answer 1

hey mate!

I centre of mass = nMR^2

and

for ring n =1

for disc n = 1/2

for solid sphere n = 2/5


SPEED OF ROLLING OF DIFFERENT TYPES OF BODIES.

V inversely proportional to root n

hence,

speed of

solid sphere > disc > ring.

#Phoenix

Answer 2

Explanation:

I hope it's help you...