a bird flies with a speed of 10 km per hour and a car moves with a uniform speed of 8 km per hour both start from B towards a at the same instant and B are equal to 40 km the bird having Richard flash Bank immediately to meet the approaching ka as soon as it reaches the car it flies back to A the bird repeat this till both the car and the Bear reach simultaneously the total distance from by the bird is

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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