A stone is thrown towards a pole of height 15 m and at a distance of 30 m. The stone passes just over the pole going downwards, making angle 45° with horizontal near the top of the pole. The speed v of stone is? (g = 10 m/`s^(2)`)

The top of two vertical poles of height 20m and 14m are connected by a wire. If the wire makes an angle 30^(@) with the horizontal, then the length of the wire is

The tops of two poles of height 40 m and 25 m are connected by a wire. If the wire makes an angle 30^(@) with the horizontal, then the length of the wire is

A stone is thrown horizontally from the top of a cliff and strikes the ground after 5 seconds, at an angle of 45^(@) with the horizontal . Calculate (i) height of the cliff. (ii) speed of projection of the stone .

The tops of two poles of height 24 m and 36 m are connected by a wire. If the wire makes an angle of 60^@ with the horizontal, then the length of the wire is

The top of two poles of height 24 m and 36 m are connected by a wire .If the wire makes an angle of 60^(@) with the horizontal , then the length of the wire is

Two poles are 10 m and 20 m high. The line joining their tops makes an angle of 15^(@) with the horizontal. What is the approximate distance between the poles?

A ball is thrown from ground such that it just crosses two poles of equal height kwpt 80 m apart. The maximum height attained by the ball is 80 m. When the ball passes the first pole, its velocity makes 45^(@) with horizontal. The correct alternatives is/are :- (g=10 m//s^(2))

A stone is thrown upwards from the surface of the earth with an initial speed of 5 m/s. The stone comes to rest at a height of : (g = 1000 "dyne"//g)

A stone is thrown from the top of a tower of height 50 m with a velocity of 30 ms^(-1) at an angle of 30^(@) above the horizontal.Find the time during which the stone will be in air

A stone is dropped from the top of a tower of height 100 m. The stone penetrates in the sand on the ground through a distance of 2m. Calculate the retardation of the stone.