A ball thrown vertically upward with a speed of `19.6ms^-1` from the top of a tower returns to earth in 6 sec. Find the height of tower.

A ball is projected vertically upward with a speed of 50 m/s. Find the maximum height.

A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate the total time it takes to return to the surface of the earth.

A ball is projected vertically upward with a speed of 50 m/s. Find the time to reach the maximum height,

A ball is thrown vertically upwards with a velocity of 49 m/s. Calculate the maximum height to which it rises.

A ball is thrown vertically upwards with a velocity 4.9 m/s from the floor of a bridge over water. The ball strikes water after 2 seconds. Calculate the height of the bridge.

A ball thrown vertically upwards takes 4 seconds to return to the ground. Calculate the maximum height reached.

A tower makes an angle of 60^@ at a point P lying in the same plane. From a point Q which is at a vertical distance of 10m from P, the angle of depression of the floor of the tower is 30^@ .Find the height of the tower.

A ball of mass 150 gm is thrown vertically upward with a velocity of 10m/sec. What is the momentum at its highest point of ascend?

A player throws a bail upwards with an initial speed of 29.4 m s^-1 . Choose the x = 0 m and t = 0 s to be the location and time of the bail at its highest point, vertically downward direction to be the positive direction of x-axis, and give the signs of position, velocity and acceleration of the ball during its upward, and downward motion.

From the top of a building 100m high ,the angle of depression of the top and bottom of a tower observed to be 45° and 60° respectively. Find the height of the tower. Also find the distance between the foot of the building.