Three particles 
and 
of equal masses move with equal speeds 
along the medians of an equilateral triangle. They collide at the centroid 
of the triangle. After collision 
comes to rest while 
retraces its path with speed 
The velocity of 
is then
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a) |
|
b) |
|
c) |
2 |
d) |
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Question ID - 100201 | SaraNextGen Answer Three particles and of equal masses move with equal speeds along the medians of an equilateral triangle. They collide at the centroid of the triangle. After collision comes to rest while retraces its path with speed The velocity of is then
a)
direction 
b)
direction 
c)
2
direction 
d)
direction 
Three particles and of equal masses move with equal speeds along the medians of an equilateral triangle. They collide at the centroid of the triangle. After collision comes to rest while retraces its path with speed The velocity of is then
|
a) |
|
b) |
|
c) |
2 |
d) |
|
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(d) Initial momentum of the system is zero. So,final momentum should also be zero. Finally, |
comes to rest after collision so to have final momentum zero,
and 
should move in opposite directions