Find diameter of circle surface through which light emerges

Assignment Help Physics
Reference no: EM13561127

A point source of light is 70.0 cm below the surface of a body of water. Find the diameter of the circle at the surface through which light emerges from the water.

Reference no: EM13561127

Questions Cloud

What is the energy now stored if capacitor was disconnected : A parallel-plate vacuum capacitor has 6.36 J of energy stored in it. The separation betweenthe plates is 2.20 mm. If the separation is decreased to1.85 mm,
Find the horizontal force exerted on the beam by the pole : A floodlight with a mass of 23 kg is used to illuminate the parking lot in front of a library. the floodlight is supported at the end of a horizontal beam that is hinged to a vertical pole, as shown. a cable that makes an angel of 19 degrees with ..
What is speed of the boat-key falls from a bridge : A key falls from a bridge that is 46 m above the water. It falls directly into a model boat, moving with constant velocity , that is 15 m from the point of impact when the key is released. What is the speed of the boat?
A bolt is dropped from a bridge under construction : A bolt is dropped from a bridge under construction, falling 67 m to the valley below the bridge. (a) In how much time does it pass through the last 22% of its fall? What is its speed (b) when it begins that last 22% of its fall and (c) when it reache..
Find diameter of circle surface through which light emerges : A point source of light is 70.0 cm below the surface of a body of water. Find the diameter of the circle at the surface through which light emerges from the water.
How many bounces can the ball make and still reach a window : A ball is dropped from rest at the top of a 6.10 m tall building, falls straight downward, collides inelastically with the ground and bounces back. The ball loses 10.0% of its kinetic energy every time it collides with the ground. How many bounces..
Bullet is fired straight up at a falling wooden block : A 0.010kg bullet is fired straight up at a falling wooden blockthat has a mass of 2.0kg. The bullet has a speed of 750m/swhen it strikes the block. The block originally was dropped from rest from the top of a building and had been falling for atim..
Weight on surface of neutron star that has same mass : Neutron stars, such as the one at the center of the Crab Nebula,have about the same mass as our sun, but a much smaller diameter. If you weigh 650 {\rm N} on the earth, what would you weight on the surface of a neutron star that has the same mass ..
Maximum number of buses overwhich the cyclist can jump : A motorcycle daredevil is attempting to jump across as many busesas possible (see the drawing). The takeoff ramp makes an angleθ = 16.6° above thehorizontal, and the landing ramp is identical to the takeoff ramp.The buses are parked side by side, ..

Reviews

Write a Review

Physics Questions & Answers

  Determine the power of the laser

A laser that produces a spot of light that is 1.20 mm in diameter is shone perpendicularly on the center of a thin, what is the power of the laser

  Find the magnitude of truck verticalcomponent of displacemet

A truck travels 1690 m uphill along a road that makes a constant angle of 4.82? with the horizontal. Find the magnitude of the truck's vertical component of displacement

  Determine the buoyant force on the piece of metal

A 5kg piece of metal displaces 0.75L of water when submerged. What is the buoyant force on the piece of metal? Give your answer in Newtons

  What input current and voltage are needed

A step-up transformer has 26 turns on the primary coil and 770 turns on the secondary coil. what input current and voltage are needed

  Explain the rule of subtracting two vectors

Explain the rule of subtracting two vectors in graphical and component representation, ow the position of an object changes in time in case of linear motion

  At what time is the velocity again zero

A particle's acceleration is described by the function ax =(10-t)m/s^2, where t is in s. At what time is the velocity again zero

  Find fraction of original rotational kinetic energy is lost

A wheel is rotating freely at angular speed 270 rev/min on a shaft whose rotational inertia is negligible. What fraction of the original rotational kinetic energy is lost

  How many acres are in one hectare

One hectare is defined as 10^4 m^2. (Meaning 10 to the 4th power etc) One acre is 4x10^4 ft^2. How many acres are in one hectare

  What is the speed of the tennis ball

a tennis ball is fired from a gun that us mounted on the floor. the tennis ball has an initial speed Vo= 25.0m/s, what is the speed of the tennis ball when it reaches your racket

  Determine the velocity and position of the particle

find the velocity and position of the particle asthe moment it reaches it's maximum x coordinate.

  Determine the magnitude and coordinate direction angles

Determine the magnitude and coordinate direction angles for the resultant force of the combination of the two forces shown.

  Find how far away did the impact occur

A person lies flat on the sidewalk with her ear to the ground. A limb falls and two distinct sounds are heard, one from the air and the other from the concrete. How far away did the impact occur

Free Assignment Quote

Assured A++ Grade

Get guaranteed satisfaction & time on delivery in every assignment order you paid with us! We ensure premium quality solution document along with free turntin report!

All rights reserved! Copyrights ©2019-2020 ExpertsMind IT Educational Pvt Ltd