Three identical blocks 
and 
are placed on horizontal frictionless surface. The blocks 
and 
are at rest. But 
is approaching towards 
with a speed 10 
. The coefficient of restitution for all collisions is 0.5. The speed of the block 
just after collision is
.png)
a)
5.6 
b)
6
c)
8
d)
10
and are placed on horizontal frictionless surface. The blocks and are at rest. But is approaching towards with a speed 10 . The coefficient of restitution for all collisions is 0.5. The speed of the block just after collision isa)
5.6
b)
6
c)
8
d)
10
Question ID - 53856 | SaraNextGen Top Answer Three identical blocks and are placed on horizontal frictionless surface. The blocks and are at rest. But is approaching towards with a speed 10 . The coefficient of restitution for all collisions is 0.5. The speed of the block just after collision is
a)
5.6
b)
6
c)
8
d)
10
Three identical blocks and are placed on horizontal frictionless surface. The blocks and are at rest. But is approaching towards with a speed 10 . The coefficient of restitution for all collisions is 0.5. The speed of the block just after collision is
|
a) |
5.6 |
b) |
6 |
c) |
8 |
d) |
10 |
|
(a) For collision between blocks
from principle of momentum conservation,
Or
Adding Eqs. (i) and (ii), we get
Similarly for collision between
Adding Eqs. (iii) and (iv) we get
|
and 
,
and 
…(iv)
