Small light fixture is on the bottom of a swimming pool

Assignment Help Physics

Reference no: EM13664469

A small light fixture is on the bottom of a swimming pool, 0.75 m below the surface. The light emerging from the water forms a circle on the still water surface. What is the diameter of this circle?

Reference no: EM13664469

Questions Cloud

What is the centripetal force : A ball have a mass of 0.05 Kg, it's attached to a string of a 1.5m. We make it turn in a circular way with a velocity of 8.0 m/s at the end of the string. What is the centripetal force?

Temperature of the soda and watermelon in degrees celsius : An ice chest at a beach party contains 12 cans of soda at 2.41°C. Each can of soda has a mass of 0.35 kg and a specific heat capacity of 3800 J/(kg C°). Someone adds a 9.97-kg water melon at 23.5 °C to the chest.

Gallon tank when the temperature rises : Suppose that the steel gas tank in your car is completely filled when the temperature is 11.7 °C. How many gallons will spill out of the 20.0- gallon tank when the temperature rises to 36.5 °C?

What is the voltage across the capacitor : Two 2.0-cm-diameter disks spaced 2.0 mm apart from a parallel-plate capacitor. The electric field between the disks is 5.0 x 10^5 V/m. What is the voltage across the capacitor? How much charge is on each disk?

Small light fixture is on the bottom of a swimming pool : A small light fixture is on the bottom of a swimming pool, 0.75 m below the surface. The light emerging from the water forms a circle on the still water surface. What is the diameter of this circle?

What rate is heat being expelled by the engine : A certain automobile engine is performing work at the rate of29400 W (39 hp) by an efficiency of 22%. At what rate is heat being expelled by the engine?

Unpolarized light in vacuum is incident onto sheet of glass : Unpolarized light in vacuum is incident onto a sheet of glass with index of refraction n. The reflected and refracted rays are perpendicular to each other. Find the angle of incidence. This angle is called Brewster's angle or the polarizing gangly.

What is the frequency of the eardrums vibration : When responding to sound, the human eardrum vibrates about its equilibrium position. Assume an eardrum is vibrating with an amplitude of 6.15*10-7 m and a maximum speed of 2.67*10-3 m/s. What is the frequency (in Hz) of the eardrum's vibration?

Decide the angular frequency of the motion : A person bounces up and down on a trampoline, while always staying in contact with it. The motion is simple harmonic motion, and it takes 1.52 s to complete one cycle. The height of each bounce above the equilibrium position is 38.0 cm. Decide the am..

User Account

All Pages