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The spacing between atomic planes in a crystal is0.120nm. 12.0keV x rays are diffracted by this crystal.
What is the angle of first-order diffraction?
What is the angle of second-order diffraction?
A dynamite blast at a quarry launches a rock straight upward, and 2.4 second later it is raising at a rate of 12 m/s. evaluate its speed at launch
A high-pressure gas cylinder contains 60.0 L of toxic gas at a pressure of 1.00 x 107 N/m2 and a temperature of 21.0°C. What is the final pressure in the tank
In lab, Will burns a 0.6-g peanut beneath 50 g of water, which increases in temperature from 22°C to 50°C. What is the food value in calories per gram? In Calories per gram?
In the steady state 1.8 1018 electrons per second enter bulb 1. There are 6.3 1028 mobile electrons per cubic meter in tungsten. The cross-sectional area of the tungsten filament in bulb 1 is 1 10-8 m2. The electron mobility in hot tungsten is 1.2 10..
an air-core solenoid consists of 200 turns of wire wound on a form that is 45 cm long and has a inner diameter of 2 cm.
A car of mass 1,800 kg is initially traveling at a speed of 15 m/s. Calculate the change in the kinetic energy of the car
An electric trimmer blade has rotational inertia 2.00×10?4kg?m2. How much work was done to accelerate the blade
a conductor in the shapr of a sperical shell of radii 8 and 11 cm is charged to 20 uC, find the electric potential at each of these radii
A lamp hangs vertically from a cord in a descending elevator that decelerates at 3.2 m/s2. If the tension in the cord is 84 Newton, find what is the lamp mass
A thin layer of oil (n=1.25) is floating on water (n=1.33). What is the minimum non zero thickness of the oil in the region
An optical fiber is constructed out of an inner glass fiber with an index of refraction of 1.61, Find the critical angle for total internal reflection in this fiber
Two identical cars, one stationary and the other driving toward the stationary one at 45 m/s, what is the beat frequency each driver hears
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