Two identical balls, of equal masses and , are lying on a smooth surface as shown in fig. Ball hits ball (which is at rest) with a velocity m/s. What should be the minimum value of cofficient of restitution between and so that just reaches the highest point of inclined plane?
a) |
b) |
c) |
d) |
Two identical balls, of equal masses and , are lying on a smooth surface as shown in fig. Ball hits ball (which is at rest) with a velocity m/s. What should be the minimum value of cofficient of restitution between and so that just reaches the highest point of inclined plane?
a) |
b) |
c) |
d) |
(b)
m/s
Let velocity of after collision be and that of be Then
m/s
m/s