NCERT CLASS IX - Science Textbook
Chapter 9 - Force and Laws of Motion
Two objects of masses 100 g and 200 g are moving along the same line and direction with velocities of 2 m s - '1and 1 m s - '1, respectively. They collide and after the collision, the first object moves at a velocity of 1.67 m s - '1. Determine the velocity of the second object.