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a sinusoidal wave on a string is described by the wave function y 010 sin 085x 35t where x and y are in meters and t
calculate the heat produced by a 100-watt lamp in one day if this heat was utilized to heat one liter 1 kg of water at
a boat whose speed in still water is 8 ms is directed across a river with a current of 60ms what is the speed of the
nutrition experts recommend that you drink at least 8 cups of water daily if your local water supply contains 100 part
what is the final velocity of the first ball after the collision the first ball with a mass of 01kg traveling to the
two stars orbit about their common center of mass one of the stars has mass m1 and moves in a circular orbit at a
an airplane weighing 25 metric tons leaves ground and flies to a height of 36000 feet and attains a velocity of 575
a 300 x 10-3 kg lead bullet travels at a speed of 24 x102 ms and hits a wooden post if half the heat energy generated
in a physics lab light with a wavelength of 560nm travels in air from a laser to a photocell in a time of 173ns when a
assume that electron-hole pairs are injected into n-type gaas eg 142 ev mc oo7m0 mv 05m0 at a rate r 1o23 per cm3
tetraphosphorus decaoxide reacts with water to form phosphoric acid a major industrial acid in the laboratory the oxide
an electromagnetic wave with a frequency of 720times1014hz propagates with a speed of 230times108ms in a certain piece
the density of water at room temperature is 09970g cm-3 how many lbs does the water in a full 500 gal
a very long solenoid of circular cross section with radius r 420cm has n 900 turnscm of wire an electron is sitting
a tanker has spilled 100 x 104 l of oil into the ocean and the oil film covers the sea with a layer of 30 x 102 nm
in the game of billiards all the balls have approximately the same mass about 017 kg the cue ball hits a stationary
titanium iv oxide tio2 is heated in hydrgoen gas to give water and a new titanium oxide tio if 1598 g of tio2 produces
a 150g glider on a horizontal frictionless air track is attached to a fixed ideal spring with force constant 135nm at a
gas is contained in an 64 l vessel at a temperature of 20degc and a pressure of 82 atma determine the number of moles
three carts of masses three carts of masses m160 kg m2120 kg and m350 kg move on africtionless horizontal track with
a heat pump has a coefficient of performance of 375 and operates with a power consumption of 689 103 w how much energy
the two wires of length 2 m are 3 mm apart and carry a current of 10 a dc calculate the force between these wires
doubling the total energy of a particle a does not affect its momentum b quadruples its momentum c more than doubles
two satellites are headed towards each other and crash the one on the left has a rest mass of 200 kilograms and a
light hits the surface of water n 133 at an incident angle of 250 degrees with respect to the normal line what is the