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A Doctor order to prepare a glass for a patient with anti-reflection coating for 400 nm and 700 nm wavelength light. The refractive index of glass is 1.54 and the coating is 1.38. Find the minimum thickness of the coating required for this job.
A container of volume 0.30 m3 contains 3 mol of argon gas at 31°C. suppose argon behaves as an ideal gas, find the total internal energy of the gas.
If 0.040kg of ice at 0 C is added to 0.390kg of water at 30 C in a 0.130-kg aluminum calorimeter cup
If the rms speed of the molecules of a quantity of helium at temperature 142 K is the same as the rms speed of neon atoms at a second temperature
A point source generating a spherical sound wave at 50Hz, Calculate the amplitude of the particle velocity at r=3m from the source
Describe its motion. (Will it slide forever at a constant velocity? Will it slide to a stop? Illustrate in what way will its energy changes be similar to that of a pendulum?)
A cockroach of mass m lies on the rim of a uniform disk of mass 7.00 m that can rotate freely about its center like the merry-go-round. At first the cockroach and disk rotate together with an angular velocity of 0.220 rad/s. Then the cockroach walks ..
A race car is one lap behind the lead car when the lead car has 43 laps to go in a race. If the speed of the lead car is 54.2 m/s, what should be the average speed of the second car to catch the lead car just before the end of the race (i.e. right..
The manometer tube has an internal diameter of 0.5 cm and it is initially filled with water. Exactly 2 cm3 of an unknown liquid is then poured into one leg of the manometer, and a displacement of 5 cm between the surfaces is measured as shown. Fin..
At the right you see that a string (mass negligible) passes over a pulley. calculate the normal force of the floor on the bottom of the 5 kg mass
A jet with mass m = 1.3 × 105 kg jet accelerates down the runway for takeoff at 2.4 m/s2, What is the net horizontal force on the airplane
What volume of water at 0°C can a freezer make into ice cubes in 1.4 hours, if the coefficient of performance of the cooling unit is 8.0 and the power input is 1 kilowatt.
Suppose that you wish to fabricate a uniform wire out of 1.00 g of copper. Assume the wire has a resistance R = 0.700 , and all of the copper is used. Illustrate what will be the length of the wire?
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