PLEASE SHOW WORK, STEP-BY-STEP. I am trying to learn. Don\'t copy and paste answ

ID: 2844146 • Letter: P

Question

PLEASE SHOW WORK, STEP-BY-STEP. I am trying to learn.

Don't copy and paste answers from other websites, that does not help me, and you get no points.

The beacon on a lighthouse makes one revolution every 20 seconds. The beacon is 300 feet

from the nearest point, P, on a straight shoreline. Find the rate at which the ray of light

moves along the shore at a point 200 feet from P. (In other words, if you were driving in

a car along the shoreline so that you keep the light constantly on the car, how fast would

you be going when you are 200 feet from the point on the shore nearest the light?)

A beacon
|
|-
|?
|----
|----------->> shoreline
P x Q

tan? = x/300
sec

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