Consider a one-dimensional collision that involves a body of mass m1 originally moving
in the positive x direction with speed v0 colliding with a second body of mass m2 originally
at rest. The collision could be completely inelastic, with the two bodies sticking together,
completely elastic, or somewhere in between. After the collision, m1 moves with velocity v1
while m2 moves with velocity v2
Solve the problem
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Three identical balls are placed on a frictionless horizontal surface touching each other. They stick to each other because of adhesive. Another ball of same radius and mass m is placed over the void created by the three balls. Find the forces applied by the balls kept on the floor to each other if the system remains in equilibrium.

A car loaded with water having total mass 1000 kg moves on a straight horizontal Road starting from rest under the action of a force of 100 Newton. The water spills throw a small hole in the bottom at a rate of 0.1 KG per second the velocity of cart after 300 seconds is nearly.

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