Two masses each of mass
are moving with velocities
along
-axis and
along
-axis respectively. After an elastic collision one of the mass moves with velocity
. If the energy of the other mass after the collision is
, then
is
Text Solution
Verified by Experts1
(1) Mass of each object, 
Initial velocity of
object, 
Initial velocity of
object, 
Final velocity of
object, 
For elastic collision, kinetic energy remains conserved
Initial kinetic energy
Final kinetic energy 

Kinetic energy of second object 

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