Find the speed at which a ray of light from the lighthouse

Reference no: EM13195608

A revolving lighthouse is located 100 m from the nearest point P on a straight shoreline. The light makes one revolution every 30 seconds. Find the speed at which a ray of light from the lighthouse moves along the shore at a point 200 m from P.

Reference no: EM13195608

Questions Cloud

Compute the ph at the equivalence point : (a) How many mL of KOH will it take to reach the equivalence point? (b) Calulate the pH at the equivalence point. The Ka of HClO is 3.8x10^-8

Find the probabilities that the driver will pick up : A taxi driver knows from past experience that the number of fairs he will pick up during an evening is a random variable which has the mean 25.6 and S.D 4.2 .Find the probabilities that the driver will pick up.

The extracellular concentration and the membrane potential : the cytoplasmic concentration is 0.4 micromolar, and the extracellular concentration is 1.5 micromolar, and the membrane potential is -60 mV?

Use the least squares line to estimate britain independence : The inflation rate for Britain is 6.8. Use the least squares line to estimate Britain's independence rating.

Find the speed at which a ray of light from the lighthouse : A revolving lighthouse is located 100 m from the nearest point P on a straight shoreline. The light makes one revolution every 30 seconds. Find the speed at which a ray of light from the lighthouse moves along the shore at a point 200 m from P.

State structure that corresponds to the molecular formula : Give the structure that corresponds to the following molecular formula and 1H NMR spectrum: C7H12Cl2: ? 1.07 (integral = 6203, s); ? 2.28 (integral = 1402, d, J = 6 Hz)

Find the amount of paint needed to paint a region : Find the amount of paint needed to paint a region that is the shape of a parabola...15 meters tall with a base of 10 meters if 1 liter of paint covers 10 square meters.

Find the largest possible total area of the four pens : A rancher with 800 ft of fencing wants to enclose a rectangular area and then divide it into four pens with fencing parallel to one side of the rectangle.

State what is the molarity of the ethanol solution : A solution of ethanol (C2H5OH) in water is prepared by dissolving 10.0mL ethanol (density is 0.79g/cc) in enough water to make 250.0mL of solution. What is the molarity of the ethanol solution?

User Account

All Pages