A contractor wants to set up a slide for the children to play in the park. He wants to set it up at the height of 2 m and by making an angle of `30^(@)` with the ground. What should be the length of the slide?

You want to erect a pole of height 10 m with the support of three ropes. Each rope has to make an angle 30^(@) with the pole. What should be the length of the rope?

A boy is flying a kite by a string. If the kite is at a height of 120 metres from the ground and the string makes an angle, 30^@ with the horizontal then the length of the string is

An electrician wants to repair an electric connection on a pole of height 9 m. He needs to reach 1.8 m below the top of the pole to do repair work. What should be the length of the ladder which he should use, when he climbs it at an angle of 60^(@) with the ground? What will be the distance between foot of the ladder and foot of the pole?

A vertical post of 126 dcm height was bent at some point above the ground and it just touched the ground making an angle of 30^(@) with the ground. Calculate at what height was the post bent and at what distance did it meet the ground from the foot of the post.

A stone is thrown from the ground with a velocity of 14 m *s^(-1) , making an angle 60^@ with the horizontal. (i) What is the maximum height attained by the stone ?

The tops of two poles of height 10 m and 18 m are connected with wire. If wire makes an angle of 30^@ with horizontal, the length of wire is____

A tree breaks due to storm and the broken part bends so that the top of the tree touches the ground by making 30^(@) angle with the ground. The distance between the foot of the tree and the top of the tree on the ground is 8 m. Find the height of the tree before falling down.

A rectangular coil of area 0.2 m^(2) is held in a magnetic field of strength 2T in such a way that the normal to the plane of the coil makes an angle 30^(@) with the field. What is the flux linked with the coil?