IN A TYPICAL BUGGI (A WOODEN PLATE IS FIXED ON THE REAR ON WHICH ONE PERSON CAN SIT) A BUGGI OF MASS 200KG IS MOVING A SPEED OF 10KM/H AS IT OVERTAKES A SCHOOL BOY WALKING AT A SPEED OG 4KM/H .THE BOY SITS ON THE WOODEN PLATE,IF THE MASS OF THE BOY IS 25 KG THE NEW VELOCITY OF THE BUGGI IS...()

A).28/3KM/H B).28/3M/S C).14/3KM/H D).14/3M/S

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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