Question

A hollow sphere and solid sphere of same mass, radius, rolling on level ground with same kinetic energy, which one moves faster?

Answer 1

ok.. if i look at the linear speed, then they have to be the same,

if i look at the angular speed, then the hollow sphere must be slower..

but how can two objects roll with different angular speeds and same linear speeds?

Answer 2

@DLS @ganeshie8 @chmvijay

Answer 3

@yrelhan4

Answer 4

any idea ganeshie?!

Answer 5

oh wait.. they ll not have same linear speed at all ?!

Answer 6

i got it.. its a stupid question.. thank you anyways :) :) !!