An 84.4-kg man is standing at the rear of a 425-kg iceboat that is moving at 4.16 m/s across ice that may be considered to be frictionless. He decides to walk to the front of the 18.2-m-Iong boat and does so at a speed of 2.08 m/s with respect to the boat. How far does the boat move across the ice while he is walking?

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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