A ball thrown from the ground level reaches a maximum height of 5m and travels a horizontal
distance of 11m from the point of projection the curve traced by a ball is
A)Ellipse
B) Rectangular hyperbola
C) Parabola
D) hyperbola

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.

11

21

31

41