How fast is the light revolving at this instant

Reference no: EM13202110

a lighthouse is 4,000 ft from a straight shore. watching the beam on the shore from the point p on the shore that is closest to the lighthouse, an observer notes that the light is moving at a rate of 3 ft/s when it is 1,000 ft from p. how fast is the light revolving at this instant?

Reference no: EM13202110

Questions Cloud

Approximate the distance from home plate to second base : A baseball diamond is a square whose side is 90 feet. Approximate the distance from home plate to second base.

Find the speed of the plane in still air : plane can travel 490 miles per hour with wind and 410 miles per hour against the wind, find the speed of the plane in still air.

How much does alex have in the bank today : The interest rate is 5.25%. Earnings will compound daily. How much does Alex have in the bank today that allows him to pull $25,000 out for 10 years.

Binary companion : Which of these isolated neutron stars must have had a binary companion? (a) a pulsar inside a supernova remnant that pulses 30 times per second (b) an isolated pulsar that pulses 600 times per second (c) a neutron star that does not pulse at all?

How fast is the light revolving at this instant : a lighthouse is 4,000 ft from a straight shore. watching the beam on the shore from the point p on the shore that is closest to the lighthouse, an observer notes that the light is moving at a rate of 3 ft/s when it is 1,000 ft from p. how fast is ..

What number represents the total net yardage : on 3 consecutive passes, a football team gains 6 yards, loses 15 yards and gain 23 yards. what number represents the total net yardage.

Lacks self-discipline-fails to plan ahead : Andy, a college sophomore, lacks self-discipline, fails to plan ahead, and is excessively anxious. He is quickly frustrated by challenging tasks and frequently becomes overly critical of others.

How long will the coffee temperature remain : The Tempcontrol company has a container that reduces the temperature of a liquid from 200 f to 110 f in 25 minutes by maintaining a constant temperature of 60 F.

Social movements in u.s. : In the last decade what social movements have been noted in the United States? What implications have these movements had on today’s culture?

User Account

All Pages