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Would the brightness of a ray of light increase or decrease as it goes from normal reflection/refraction to Total Internal Reflection?
Assume that the value of n in a radioactive transition in hydrogen changes only with unity, as is suggested by the correspondence principle. Estimate for what range of values of n the photon that is emitted will have wavelengths in the visible range ..
During a snowmobile race our hero goes 16.7 km at 45 deg to the North of West (45 degrees above the -X). Then turns and goes 7.5 km due east. Then turns and goes 23 km at 40 degrees to the West of South (40 degrees to the left of -y).
Mary applies a force of 70 N to push a box with an acceleration of 0.49 m/s2. When she increases the pushing force to 80 N, What is the mass of the box
a 49N brick is placed in 1m^3 of oil. the volume of the oil raises to 1.025m^3. What are the forces acting on the brick when at rest on the scale at the bottom of the pool? Include their direction
A 4000-lb flywheel with a radius of gyration of 27 in. is allowed to coast to rest from an angular velocity of 450 rpm. Knowing that kinetic friction produces a couple of magnitude 125 lb . in., determine the time required for the flywheel to coas..
A rope with 270g of mass per meter is under 600N tension. A wave with frequency 4.0Hz and amplitude 6.1cm is propagating on the rope. What is the average power carried by the wave?
a turntable must spin at 33.6 rpm 3.52 rads to play an old-fashioned vinyl record. how much torque must the motor
2. The Horseshoe Falls on the Canadian side of Niagara Falls have water that moves horizontally at 9.0 m/s which then falls 53 m vertically into the Niagara River below. Ignoring any air resistance, at what angle does the falling water enter th..
A resonant circuit in a radio receiver is tuned to a certain station when the inductor has a value of 0.321 mH and the capacitor has a value of 22.4 pF. Calculate the frequency of the radio station
At what speed does a clock move by respect to an observer that measures it to run at one-third the rate of an identical clock at rest by respect to the observer?
Ignoring the container that holds the glass and liquid and assuming that the heat lost to or gained from the surroundings is negligible
A thin film of polystyrene is used as an antireflective coating for fabulite (known as the substrate). The index of refraction of the polystyrene is 1.49, and the index of refraction of the fabulite is 2.409.
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