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Question: From a Bragg diffraction experiment, the wavelength of monoenergetic electrons is found to be 0.06nm. What is the kinetic energy of these electrons?
Suppose you could take out all the electrons and hold them in one hand, If you hold your hands 1.55{\rm m} apart at arms length, what force will each of them feel
a capacitor with an initial potential difference of125v is discharged through a resistor when a switch between them is
A parallel-plate capacitor has plates with an area of 850 cm2 separated by 1.8 mm. What is the electric field between the plates when they are charged with 5.000 x 10-7 C
Find the force on one such cosmic ray? a proton that is instantaneously moving vertically downward at 5.27 X 107 m/s at a point outside the atmosphere over New York.
question1two cars drive on a straight highway. at time t0 car 1 pass mile marker 0 travelling due east with a speed of
A meter stick travels past an observer at the speed of 0.9c. What length would be recorded by the observer
A sealed cubical container 17.0 cm on a side contains three times Avogadro's number of molecules at a temperature of 21.0°C. Find the force exerted by the gas on one of the walls of the container
A sheet of an unknown material that is 1.223 + or - .003 micro meters thick is suspended in air. estimate of the index of refraction of the material
A student drops a ball from the top of a tall building; the ball takes 3.1s to reach the ground. What is the height of the building
One mole of a monatomic gas at 400 K is reversibly taken to half of its original volume by an isobaric process. How much work is done by the gas?
A flying wedge spaceship is a right triangle in side view. At rest, the base and height (which form the 90° angle) measure 8.9 m, calculate the angle of the triangular nose to be
What wavelength (in air) of visible light is most strongly reflected from a point on a soap bubble where its wall is 292 nm thick?
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