Question

Consider
a
system
of
two
masses
m1
and
m2.
Let
u1
be
the
initial


velocity
of
mass
m1
and
let
m2
be
at
rest.
The
masses
undergo
an


elastic
collision
in
one
dimension.
Derive
the
expression
for
the


velocities
of
the
two
masses
after
the
collision.​

Answer 1

Answer:

i can't understand please