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Q1. If 730 nm and 675 nm light passes throughout two slits 0.63 mm apart, how far apart are the second-order fringes for these two wavelengths on a screen 1.2 m away?
Q2. A positive charge of q = 3.5 µC is pulled on by two negative charges. One, -2.0 µC, is 0.050 m to the north and the other, -4.0 µC, is d = 0.029 m to the south. What total force is exerted on the positive charge?
0.160kg of water at 88.0 degrees is poured into an insulated cup containing 0.234kg of ice initally at 0 degrees. Calculate the mass of liquid
A 0.70 × 103 kg sports car collides into the rear end of a 2.2 × 103 kg SUV stopped at a red light. calculates the speed of the sports car at impact
The pressure in a section of horizontal pipe with a diameter of 2.0 cm is 146 kPa. Water flows through the pipe at 2.80 L/s. what should the diameter of the constricted section be
A father pulls his young daughter on a sled with a constant velocity on a level surface a distance of 10 m. how much work does the father do
A sphere that is a perfect blackbody radiator has a radius of 0.100 m, Calculate the net rate at which the sphere radiates energy
A blackened, solid copper sphere that has a radius equal to 2.5 cm hangs in an evacuated enclosure whose walls have a temperature of 29°C. find the initial rate at which its temperature changes
Given a metal which has a coefficient of volume expansion given by B(T) = 8.0x10^-6 K^-1 + (1.2x10^-8 K^-2)T caluclate the work done by this is obaric process
A wire 3.00 m long and 0.450 mm2 in cross-sectional area has a resistance of 41 at 20°C. what is the temperature coefficient of resistivity
compute the force of the Earth's gravity on an electron and evaluate it with the force exerted on the electron by an electric field of magnitude 12500-V/m (a relatively small field). The mass and charge of an electron are given on the inside back ..
A nuclear power plant produces an average of 4.90 × 103 MW of power during a year of operation. Find the corresponding change in mass of reactor fuel
A 4kg duck sitting on a pole 20 m tall is struck by a 20 g bullet moving horizontally at 200 m/s. How far from the base of the pole does the duck strike the ground
Two particles of masses m and 3.00m are moving toward each other along the x-axis with the same speed v. They undergo a head on elastic collision and rebound along the x- axis. Find out the final speed of the heavier object.
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