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In order to study the structure of a crystalline solid, you want toilluminate it with EM radiation whose wavelength is the same as thespacing of the atoms in the crystal (0.20 nm). (a) What isthe frequency of the EM radiation? (b) In what part of the EMspectrum (radio, visible, etc.) does it lie?
Suppose a 31.7 kg child sits 1.38 m to the left of center on the same seesaw as the problem you just solved. A second child sits at the end on the opposite side, Find the normal force acting at the pivot point
At the end of an amusement park ride, it is desirable to bring a gon- dola to a stop without having the acceleration exceed 2 g. what is the maximum allowed braking force
Ball 1, with mass of 100g and traveling at 10 m/s, collides head-onwith ball 2, which has a mass of 300g and is initially at rest. What is the final velocity of each ball
A 211kg rock sits in full sunlight on the edge of a cliff 4.90m high. The temperature of the rock is 30.2?C. what is the final temperature of the rock-water system
A (massless) rope is wrapped around a wheel of radius R= 2 meters. The wheel is mounted with a frictionless bearing on the center axle through the center. What is the moment of interia of the wheel
An explosion breaks an object into two pieces, one of which has 1.5times the mass of the other. how much kinetic energy did each piece acquire
a uniform electric field has magnitude e and is directed in the negative x-direction. the potential difference between
String 1 in the figure has linear density 2.90 and string 2 has linear density 3.20 . A student sends pulses in both directions by quickly pulling up on the knot, then releasing it. Consider the pulses are to reach the ends of the strings simultaneou..
The radius of the hydrogen atom is 0.053 nm. compute the frequency of the circular motion of the electron
You are standing at x=9.0km Lightning bolt 1 at x=0km and lightning bolt 2 at x=12.0km Both flashes reach your eye at the same time. what is the time difference between the two flashes
An electron has an initial velocity of (11.0j + 15.0k ) km/s and a constant acceleration of (4.00x10^12 m/s2) in a region in which uniform electric and magnetic fields are present. If = (400 µT)i , find the electric field in ijk notation.
a bowling ball with a mass of 5 kg and traveling with a velocity of 4 ms-1 collides with an aluminum ball of 4 kg
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