While following a treasure map,you start at an old oak tree,you first walk 825m directly south,then turn and walk 1.25km at 30.0degree west north,and finallay walk 1.00km at 40degree north of east,where you find the treasure:a biography of isaac newton.

(a)to return to the old oak tree,in what direction should you head and how far will you walk?use the components to solve this problem.

(b)to see whether your calculation in part (a) is reasonable,check it with a graphical solution drawn roughly to scale.

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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