Question

a car mass 2000lg travels at 60mls meets a heads on collision with another car B of mass 1500kg . if both cars stop colliding, then what is the velocity of cae. B?​

Answer 1

Answer:

Mass of car A,m

1

=2000kg

Speed of car A,v

1

=10m/s

Mass of car B, m

2

=500kg

Speed of car B,v

2

Acc to law of conservation of momentum

m

1

v

1

=m

2

v

2

2000×10=500×v

2

v

2

=

500

2000×10

=40m/s