A ball of mass m falls vertically from a height h and collides with a block of equal mass m moving horizontally with a velecity upsilon on a surface. The coefficient of kinetic friction between the block and the surface is 0.2, while the coefficient of restitution e between the ball and the block is 0.5. There is no friction acting between the ball and the block. The velocity of the blockdecreases by :

A ball of mass m falls vertically from a height h and collides with a

1.	A ball of mass m falls vertically from a height h and collides with a block of equal mass m moving horizontally with a velecity upsilon on a surface. The coefficient of kinetic friction between the block and the surface is 0.2, while the coefficient of restitution e between the ball and the block is 0.5. There is no friction acting between the ball and the block. The velocity of the blockdecreases by :
Answer» <html><body><p><a href="https://interviewquestions.tuteehub.com/tag/0-251616" style="font-weight:bold;" target="_blank" title="Click to know more about 0">0</a><br/>`0.1sqrt(2gh)`<br/>`0.3 <a href="https://interviewquestions.tuteehub.com/tag/sqrt-1223129" style="font-weight:bold;" target="_blank" title="Click to know more about SQRT">SQRT</a>(2gh)`<br/>can't be said</p>Answer :D</body></html>