Question

Two equal masses 'm' each moving in the opposite direction with the same speed 'v' collide and stick to each other. The velocity of the combined mass is

Answer 1

Answer:

Given : m

1

=m

2

=M v

1

=a v

2

=−a

Using V

cm

=

m

1

+m

2

m

1

v

1

+m

2

v

2

∴ V

cm

=

M+M

Ma+M(−a)

=0