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A red laser pointer with a wavelength of 635 nm is shined on a double slit producing a diffraction pattern on a screen that is 1.91 m behind the double slit. The central maximum of the diffraction pattern has a width of 4.15 cm, and the fourth bright spot is missing on both sides.
a.What is the size of the individual slits?
b.What is the separation between them?
Two loudspeakers are mounted on a merry-go-round whose radius is 9.01 m. When stationary, What is the beat frequency that is detected by the listener when the merry-go-round is near the position shown
Write down a function named as kineticEnergy() which determines the kinetic energy of an object in accordance with the following formula.
Two charged dust particles exert a force of 4.20 x 10^-2 N on each other. What would be the force if they are moved so they are only one-eight as far apart.
Compressed air can be pumped underground into huge caverns as a form of energy storage. how many homes could this internal energy serve for one day
In a test laboratory, an electric engine is used to accelerate a wheel from rest. what is the average power output of the engine
An object is placed in front of a concave mirror with a 21.4-cm radius of curvature. At what distance is the object from the mirror
The potential energy of two small particles in water is approximately: Write down a formula for the force between them
A basketball of mass 0.45 kg is dropped from rest from a height of 1.22 m. It rebounds to a height of 0.72 m. How much mechanical energy was lost during the collision with the floor
When at rest, two trains have sirens that emit a frequency of 300 Hz. The trains travel toward one another and toward an observer stationed between them, What is the speed of the second train
The rotational spectrum of the HCl molecule contains lines with wavelengths of 0.0604, 0.0690 ,0.0804 ,0.0964 , and 0.1204 mm. What is the moment of inertia of the molecule
Two nonconservative forces are present: friction does -2.00 104 J of work on the car, and a chain mechanism does +3.00 104 J of work to help the car up a long climb. Illustrate what is the change in the car's kinetic energy, ΔKE = KEf - KE0, fro..
A small, 200g cart is moving at 1.60m/s on an air track when it collides with a larger, 2.00kg cart at rest. What is the speed of the large cart after the collision
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