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1. What are apparent phase velocities? Why are they greater than the phase velocity along the direction of propagation?
2. Discuss how the superposition of two uniform plane waves propagating at an angle to each other gives rise to a composite wave consisting of standing waves traveling bodily transverse to the standing waves.
3. What is a transverse electric wave? Discuss the reasoning behind the nomenclature TEm,0 modes.
Imagine that you are at the equator and the air is motion less every where. How fast will aparcel of air be moving after 1 h
A golf ball leaves the tee at an angle of 42° from the horizontal and strikes the ground 240 yd, down range on a level golf course. How low long was the ball in the air
Waves of frequency 198 Hz and amplitude 1.48 cm move along a 21.0 m string that has a mass of 0.046 kg and a tension of 48.0 N
A mass M2=5.0 kilogram hangs from a rope wrapped around a massive cylindrical pulley with M1=15 kilogram and r = .075 meter. calculate its speed when it has dropped 3.0 meter
a small coil has a cross section of 5.5 cm2 and consists of 18 turns of wire. if the loop carries a current of 100 ma
determine the time the inhabitants of alpha station. A woman who weighs 600N at earth's surface stands on top of a very tall ladder so she is one earth radius above earth's surface. how much does she weigh.
A 30-cm bar is made from putting together three 10-cm bars of steel, copper, and aluminium, each having cross-sectional area 4cm2. One end of the steel is in contact with a nice-water mixture. When the system comes into equilibrium,
512 g of an unknown metal at a temperature of 15 degrees celsius is dropped into a 100 g aluminum container holding 325
question a horizontal merry-go-round has a mass of 1000 kg and is a solid disk of radius 2.00 m. it is started from
A baseball m = 0.56 kg is spun vertically on a massless string L = 0.94 m. The string can only support a tension of T = 9.4 N before it will break. What is the maximum speed at the top of the loop in m/s
A cancer patient is undergoingradiation therapy in which protons with an energy of 1.2 MeV areincident on a 0.25 kg tumor. How many protons are absorbed by the tumor
A storage tank has a diameter of 80 ft, a height of 25 feet, andcontains oil to a height of 15 ft. The suction pumps, whichcan handle 15, 000 bbl/d are started, but the safety valves areclogged and a vacuum is drawn in the tank.
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