For a particle moving along a straight line, the displacement x depends on time t as x=at^3+bt^2+gt+d. The ratio of its initial acceleration to its initial velocity depends:(A) only on a and b(B) only on b and g(C) only on a and g(D) only on aExplain it in brief

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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