A `2 kg` mass moving on a smooth frictionless surface with a velocity of `10 ms^(-1)` hits another `2 kg` mass kept at rest, in a perfect inelastic collision. After collision, if they move together
A. they travel with a velocity of `5 ms^(-1)` in the same direction
B. they travel with a velocity of `10 ms^(-1)` in the same direction
C. they travel with a velocity of `10 ms^(-1)` in opposite direction
D. they travel with a velocity of `5 ms^(-1)` in opposite direction
A. they travel with a velocity of `5 ms^(-1)` in the same direction
B. they travel with a velocity of `10 ms^(-1)` in the same direction
C. they travel with a velocity of `10 ms^(-1)` in opposite direction
D. they travel with a velocity of `5 ms^(-1)` in opposite direction
Correct Answer – A