Question #6426029Single Choice

Physics

Question

A 5 kg object moves at a speed   and collides inelastically with another object of mass 10 kg moving in the opposite direction at a speed of 2 m/s. After the collision, the two objects stick together and move with a common velocity of 3 m/s. What is the initial speed of the 5 kg object?

Options

A
    13 m/s
B
    5 m/s
C
    4 m/s
D
    8 m/s

Answer & Analysis