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de Broglie wavelength.
(a) What is the kinetic energy of electrons whose de Broglie wavelength matches the size of a benzene ring? (280 pm)
(b) To give electrons this amount of energy, through what potential difference must they fall?
A hockey player is standing on his skates on a frozen pond when an opposing player, moving with a uniform speed of 2.0 m/s, How long does it take him to catch his opponent
a small object is released from rest just below the surface of the water. it takes time t to sink the bottom at depth
Saturn, on average, is 890 million miles from the Sun. 1 mi = 1609 m. Express the distance between Saturn and the Sun in meters using powers of 10. Express your answer using two significant figures.
Determine the equivalent resistance of the "ladder" of equal 110Ω resistors shown in (Figure 1) . In other words, what resistance would an ohmmeter read if connected between points A and B?
Find the quality factor of the lowest-order mode in part (b) - Plot the normalized internal intensity (Itrans/Iline) and the transmission (Itrans/Iline) of the cavity.
A standing wave is oscillating at 140 Hz on a string, as shown in the figure. What is the speed of traveling waves on this string
A sound wave from a police siren has an intensity of 116.9 W/m2 at a certain point; What is the intensity level of the sound wave due to the ambulance
A college student produces about 127 kcal of heat per hour onthe average. What is the rate of energy production inwatts? How many kilocalories of heat does the operation of a 1195 Whair dryer produce each second?
A train sounds its horn as it approaches an intersection. The horn can just be heard at a level of 54 dB by an observer 10 kilometer away. Compute the average power generated by the horn
A machine part rotates at an angular speed of 0.40 rad/s; its speed is then increased to 2.0 rad/s at an angular acceleration of 0.76 rad/s2
Calculate the specific heat of a metal from the following data. A container made of the metal has a mass of 3.8 kg and contains 14 kg of water.
an ice skater with mass of 50 kg pushes off from the wall of an ice rink. she begins at rest and after letting go of
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