A 60 kg man jumps to a height of 0.8 m. Find the impulse provided by the groud to the man.

A ball of mass 50 g falls from a height of 10 m and rebounds to a height of 5 m.Find the impulse and average force between the ball and ground if both were in contact for 0.1 second.

If a man lifts a load up with the help of rope such that it raises the load of mass 50 kg to a height of 20 m in 100 seconds. Find the power of man. (Take g = 10ms^-2 )

A body of mass 6 kg is kept at a height of 5 m from the surface of earth. Find the potential energy of the body.

A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclination of the string with the sound is 60 ° . Find the length of the string, assuming that there is no slack in the string.

A kite is flying at a height of 60 m above the ground. The string attached to the kite is temporarily tied to a point on the ground. The inclinationof the string with the ground is 60^@ . Find the length of the string, assuming that there is no slack in the string

The position time graph of a body of mass 2 kg is as given in the figure. What iws the impulse on the body at t = 0 s and t = 4 s.

A man running a race-course notes that the sum of the distances from two flag posts from him is always 10 m and the distance between the flag posts is 8 m. Find the equation of the path traced by the man.

A man running a racecourse notes that the sum of the distances from the two flag posts from him is always 10m and the distance between the flag posts is 8 m. Find the equation of the posts traced by the man.

A plane mirror 1 m high hangs on a wall.A man stnds at a distance 2 m away from the mirro.What is the height of the portion of the oposite wall in the room that can be seen by the man in the mirro,without changing the position of his head?The wall is 4m from the mirror.