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An early method of measuring the speed of light makes use of a rotating slotted wheel. A beam of light passes through one of the slots at the outside edge of the wheel travels to a distance mirror, and returns to the wheel just in time to pass through the next slot in the wheel. One such slotted wheel has a radius of 5.0 cm and 500 slots around its edge. Measurements taken when the mirror is L = 500 m from the wheel indicate a speed of light of 3.0 x 10^8 m/s.(a) What is the constant angular speed of the wheel?(b) What is the linear speed of a point on the edge of the wheel?
A 14.0 capacitor and a 5.50 inductor are connected in series with an open switch. The capacitor is initially charged to 6.70 What is the angular frequency of the charge oscillations
A hydrogen atom in the n = 2 state absorbs a photon with wavelength 410nm, Find the change in the atom's potential energy
A bullet is fired from at a shooting range. The bullet hits the ground after 0.32 seconds. How far did it travel horizontally and vertically in this time
A playground merry-go-round is a disk of radius 4.0 m and mass 5,0 x 102 kg, initially stationary. what is the resulting angular velocity
in a vacuum, a certain light has a wavelength ?0 = 589 nm and travels at speed c = 3.00x10^8 m/s. What is its speed if traveling in sodium chloride
In a Young's double slits experiments. The interference patterns are shown on the screen. Find the angle of the order of the destructive fringe
Explain qualitatively the following phenomena. At a certain momentum, the cross sections for p+_ neutron s(p+n) and p-_ proton s(p-p) interactions are equal, whereas s(K+n)=22mb and s(K-p)=55mb.
You are on a spaceship that has discovered a giant artifact made by an alien civilization. what is the magnitude of the force of gravity on your ship from the semi-circle
A proton is projected perpendicularly into a magnetic field that has a magnitude of 0.30 T. The field is then adjusted so that an electron will follow a circular path of the similar radius when it is projected perpendicularly into the field with t..
An ideal gas is at a temperature of 30 degrees C, find the number of particles per unit volume of the gas
Four identical metallic objects carry the following charges: +1.79, +6.21, -4.16, and -9.41C. The objects are brought simultaneously into contact, What is the final charge on each object
A window air-conditioner unit absorbs 9.75×10^4J of heat per minute from the room being cooled, What is the power consumption of the unit in watts
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