An observer 1.5 m tall is standing at a distance of 20.5 m from a 22 m height tower. The observer's eye...

An observer 1.5 metres tall is 20.5 m away from a tower 22 metres high. Determine the angle of elevation of the top of the tower from the eye of the observer.

A statue of height 4 m stands on a tower of height 10 m. The angle subtended by the status at the eyes of an observer of height 2m, standing at a distance of 6m from base of the tower is

Two observers are stationed due north of a tower at a distance of 20 m from each other. If the elevations of the tower observed by them are 30^(@) and 45^(@) respectively, then the height of the tower is

A 1.5m tall boy is standing at some distance from a 30m tall building.The angle of elevation from his eyes to the top of the building increases from 30 to 60o as he walks towards the building.Find the distance he walked towards the building.

If a 1.5 m tall girl stands at a distance of 3 m from a lamp-post and casts a shadow of length of 4.5 m on the ground, then the height of the lamp-post is (a) 1.5 m (b) 2 m (c) 2.5 m (d) 2.8 m

A body is thrown horizontally from the top of a tower of height 5m. It touches the ground at a distance of 10 m from the foot of the tower. The initial velcotiy (in m/s) of the body is (g=10ms^(-2) )

A 1.6 m tall girl stands at distance of 3.2 m from a lamp post and casts shadow of 4.8 m on the ground, then what is the height of the lamp post?