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