12. A 7 ft tall person is walking away from a 20 ft tall lamppost at a rate of 5 f/sec. Assume the scenario can be modeled with right triangles. At what rate is the length of the person's shadow changing when the person is 16 ft from the lamppost?

Q: Suppose you always keep your eyes fixed on the very top of a 100 m building. Suppose you start to…

A: Height of building = 100 m Let x be the base distance from the building Head angle = θ tanθ=100x

Q: You are standing 12 feet away from a balloon launcher that will release a balloon vertically up into…

A:

Q: A boat is sailing at a rate of 10 feet per second away from an observer 5 feet above the boat. How…

A:

Q: A woman standing on a cliff is watching a motor boat through a telescope as the boat approaches the…

A: Let, the angle θ is an acute angle made by telescope and the vertical. The distance between the boat…

Q: 4. An observer stands 25 feet from the base of a flagpole and watches a flag being x=25 lowered at a…

A:

Q: a television camera is positioned o the ground 4000 feet from the base of a rocket launching pad. If…

A:

Q: You are videotaping a race from a stand 132 ft. from the track, following a car that is moving at…

A: