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Explain why in the Davisson and Germer experiment using 54 eV electrons using the d=0.215 nm planes, there was only one peak measured (explain why diffraction peaks with n=2 and higher are not possible)
An ideal gas expands at constant pressure of 5.0 atm. from 240 milliliters to 630 milliliters, Calculate the total work (in joules) done by the gas in the process
Assume that you exhale the air at your body's temperature of 37 oC with relative humidity of 80%. Will you see your breath
A car chases a coyote down a road ending in a sheer cliff. The car has a speed of 40.0 m/s and the coyote has a speed of 30.0 m/s. The car blows a siren at 440 Hz and the speed of sound is 340 m/s. What frequency does the coyote hear for the sound..
The left end of a long glass rod 8.00cm in diameter and with an index of refraction of 1.60 is ground, Find the position of the image of the arrow formed by paraxial rays incident on the convex surface
An electron with an initial speed of 5.50×10^5m/s is brought to rest by an electric field. What was the potential difference that stopped the electron
an object 10.0-kg slides upward on a slippery vertical wall a force of 60n at an angle of 60 degrees. determine the normal force exerted on the object by the wall
A parallel-plate capacitor is charged to an electric potential of 337 V by moving 3.88E+16 electrons from one plate to the other
A light bulb is wired in series with a 133-? resistor, and they are connected across a 120-V source. What are the two possible resistances of the light bulb
Consider one mole of neon gas at a temperature of 25°C. Assume neon behaves as an ideal, monatomic gas at this temperature. What is the average translational kinetic energy of a neon atom at this temperature? What is the total random translational ki..
In February 1955, a paratrooper fell 370 m from an airplane without being able to open his chute but happened to land in snow, compute the magnitude of the impulse on him from the snow?
q1. two balls of masses 43kg and 65kg are suspended. the lighter ball is pulled away to a 66 angle with the vertical
A 1.2 -long steel rod with a diameter of 0.50 hangs vertically from the ceiling. An auto engine weighing 4.7 is hung from the rod. By how much does the rod stretch
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