Answer:
a) 3.632 m/s
b) 0.462 m/s
Step-by-step explanation:
Using the law of conservation of momentum:
..........(1)

Substituting the above values into equation (1) and make V2 the subject of the formula:

..................(2)
Using the law of conservation of kinetic energy:

.......(3)
Substitute equation (2) into equation (3)

Substituting
into equation(2)
