Two particles of masses 
and 
in projectile motion have velocities 
and 
respectively at time 
. They collide at time 
. Their velocities become 
and 
at time 
while still moving in air. The value of
is
a)
Zero
b)
c)
2
d)
Two particles of masses and in projectile motion have velocities and respectively at time . They collide at time . Their velocities become and at time while still moving in air. The value of
is
a)
Zero
b)
c)
2
d)
Question ID - 53264 | SaraNextGen Top Answer
Two particles of masses and in projectile motion have velocities and respectively at time . They collide at time . Their velocities become and at time while still moving in air. The value of
is
a)
Zero
b)
c)
2
d)
|
Two particles of masses
|
||||||||
|
a) |
Zero |
b) |
|
c) |
2 |
d) |
|
|
1 Answer
127 votes
Answer Key / Explanation : (c) -
|
(c) From
|
to 
the external force acting on the combined system is 
Total change in momentum of system
127 votes
Answer Link
127