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A narrow slit is illuminated with light of wavelength 590 nm. A diffraction pattern is produced on a screen positioned 1.0 m away from the slit. The first two dark fringes on either side of the central bright fringe are separated on the screen by a distance of 6.5 mm. What is the width of the slit?
A small hole is cut in the bottom of a water storage tank. The initial depth of the water is 12.00 m. what is the flow rate of the water leaving the tank
what happens to light of a particular frequency when it is incident upon the material that natural frequency is the same as the frequency of the light.
describe in detail the effect of increasing torqueload on the excitation current armature current and output power as
Define the terms “Coefficient of Static Friction”, and “Coefficient of Kinetic Friction”. What is friction? The force probe reading will represent the frictional force, which of Newton’s Laws allows us to do this? Explain.
If a roadway is banked at the proper angle, a car can round a corner without any assistance from friction between the tires and the road
An electron in an atom has an orbital angular momentum with ml = 0. What is the component morb,z? (J*s) What is the component ?orb,z? (J/T) If an atom is in an external magnetic field B of magnitude 45 mT and directed along the z-axis, what is the..
Two people start at the same place and walk around a circular lake in opposite directions. One has an angular speed of 1.70 * 10^-3 rad/s, How long will it be before they meet
A car rounds a curve that is banked inward. The radius of curvature of the road is R = 116, the banking angle is ? = 29°, and the coefficient of static friction is ?s = 0.27. Find the minimum speed that the car can have without slipping.
A person is losing thermal energy through the skin at a rate of 120 W when his skin temperature is 30°C. find At what rate is he now losing thermal energy
In a lightening bolt, current travels upward, from ground to cloud.Suppose that at the moment that a 35,000, what is the magnitude and direction of the magnetic force on the airplane
A uniform disk of radius 0.495 m and unknown mass is constrained to rotate about a perpendicular axis through its center. Find the mass of the disk
The cone of a loudspeaker vibrates in SHM at a frequency of 262 Hz. The amplitude at the center of the cone is xm = 1.5 x 10-4m, What is its maximum velocity and acceleratio
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