A cart of mass 50 kg is moving on a straight track with a speed of 12 m/s. A mass of 10 kg is gently put into the cart. What will be the velocity…

A cart of mass 50 kg is moving on a straight track with a speed of 12 m/s. A mass of 10 kg is gently put into the cart. What will be the velocity…

A cart of mass 50 kg is moving on a straight track with a speed of 12 m/s. A mass of 10 kg is gently put into the cart. What will be the velocity…

A cart of mass 50 kg is moving on a straight track with a speed of 12 m/s. A mass of 10 kg is gently put into the cart. What will be the velocity…
Since there is no external forces acting on the system using the conservation of momentum:Initial momentum = final momentumm1 = 50kgm2 = 50+10 = 60kgV1 = 12kgV2 = ?? `m1V1 = m2V2` `50xx12 = (50+10)V2` `V2 = (50xx12)/60` `V2 = 10` So the velocity of the cart after this is 10m/s.