When a uniform solid sphere of mass m rolls from rest down an inclined plane such that it's centre of mass descends through a height h it's translational kinetic energy will be

1.)mgh. 2.)5/7mgh. 3.)2/7mgh 4.)mgh/2

Hint:the correct option is 2.)2/7mgh

Rutwik

7 Years agoGrade 11