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Helium-neon laser light (632.8nm) is sent through a 0.3nm-wide single slit. What is the width of the central maximum on a screen 1m in back of the slit?
An upright object is placed a distance in front of a converging lens equal to twice the focal length (f1) of the lens. On the other side of the lens is a converging mirror of focal length f2 separated from the lens by a distance 2(f1+f2).
A fuel pump sends gasoline from a car's fuel tank to the engine at a rate of 5.69 10-2 kg/s. What is the speed at which the gasoline moves through the fuel line
Adisa pulls a 40-N crate up a 5.0-m long inclined plane at a constant velocity. If the plane is inclined at an angle of 37° to the horizontal and there is a constant force of friction of 10 N between the crate and the surface, what is the net change ..
An explosion occurs at the end of a pier. The sound reaches the other end of the pier by traveling through three media: air, fresh water, how much later do the second and third sounds arrive
When at rest, a proton experiences a net electromagnetic force that has a magnitude of 7.2 x 10^-4 N and points in the positive x-direction. Find the magnitude and direction of the magnetic field
A +1 uC charge is held 10 cm directly above the origin. A -1 uC charge is held 5 cm directly to the right of the origin. What is the electric potential at the origin
The location of a particle is measured with an uncer- tainty of 0.11 nm. What is the minimum uncertainty in the velocity measurement
Two waves are traveling in the same direction along a stretched string. The waves are 45.0° out of phase. Find the amplitude of the resultant wave
A spaceship is 1600 m long when it is at rest. When it is traveling at a certain constant speed its length is measured by external observers, What is the speed of the spaceship in terms of the speed of light
What is one experiment you could to show light is a particle. Clearly delineate how the results show it is a particle, and do not fit with the expectations of the experiment if it was a wave.
A cat dozes on a stationary merry-go-round, at a radius of 5.4 m from the center of the ride. Then the operator turns on the ride and brings it up to its proper turning rate of one complete rotation every 6.2 s
As a hiker in Glacier National Park, you are looking for a way to keep the bears from getting at your supply of food. What will be the acceleration of the bags when you let go of the anchor bag in m/s^2
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