Answer to Question #70108 in Mechanics | Relativity for Hannah Chamberlain

Question #70108

An observer, whose eyes are 1.63 m above the ground, is standing 33.3 m away from a tree. The ground is level, and the tree is growing perpendicular to it. The observer's line of sight with the treetop makes an angle of 19.3° above the horizontal. How tall is the tree

Expert's answer

h=h_0+l*tanφ=1.63+33.3*tan⁡(19.3°)=13.29 m

Comments

No comments. Be first!

Leave a comment

Ask Your question

Related Questions

1.A sports car approaches a highway on-ramp at a velocity of 20.0 m/s. If the car accelerates at a rat
2.A man with a height 1.8 meters walking towards a 46 meters height building with a 1.2 m/s velocity.
3.Anthony carelessly rolls his toy car off a 61.0-cm-high table. The car strikes the floor at a ho
4.From a dam, water is pouring down at the rate of 150 kg/s, on the blades of a turbine. If a ball dro
5.Calculate the work done by a force F^vector = (x-y)i^cap +xy j^cap in moving a particle counter-clo
6.A person driving a car suddenly applies the brakes. The car takes 4 seconds to come to rest while tr
7.A particle of mass 2m is connected by an inextensible string of length 1.2m to a ring of mass m whic