A body is projected in, such a way that it just crosses, a wall of height ,10m at a distance of 20m and falls at a distance of 40m from the wall. Find the velocity of projection

A ladder is kept standing at a slanting position against a wall of a house and in this position the base of the ladder is at a distance of 9.5m from the wall.If the ladder makes an angle of 60^@ with the ground level,find the length of the ladder.

A body projected with a velocity 25m/s just clears a wall 5m high after 2 seconds. Find the angle of projection and maximum height reached by the body.

A ball is dropped from a height of 20m. it rebounds to a height on 10m. Calculate the loss of energy of the ball

A ladder 12m long is leaning on a wall.Its foot 6m away from the wall.Find the angle it makes with the ground.

A paricle is projected with a velocity of 40ms_-1 . After two seconds, it crosses a vertical pole of height 20.4m. Calculate the angle of projection.

The height and horizontal distance of a projectile are y= 8t-5t^2 m and x=6t m. its projection velocity is

When a ball hits a wall with a velocity of 50m/s and bounces back with the same speed, what is the change in velocity of the ball?

A bullet hits a Sand box with a velocity of 20 m/s and penetrates it up to a distance of 6 cm. Find the deceleration of the bullet in the sand box.

The driver of a car moving with a velocity 60 km per hours observes ahead a child at a distance of 101m. He immediately applies brake and the car stops just 1m before the child. Find the time required to stop the car.

A man standing on the deck of a ship which is 10 m above the water level, observes the angle of elevation of the top of a hill as 60° and angle of depression of the base of a hill as 30°. Calculate the distance of the hill from the ship and the height of the hill.