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Atoms in a solid are not stationary, but vibrate about their equilibrium positions. Typically, the frequency is about f =2.0 x 1012 Hertz. and the amplitude is about1.1 x 10 -11. For a typical atom determine its
a) Maximum speed? and
b) Maximum acceleration?
Gold, which has a density of 19.32 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber, what is the area (in m2) of the leaf
how much work does the electric field do in moving a proton from a point with a potential of 130 v to a point where it
A bicyclist on a horizontal plane starts from rest and begins to pedal. The wheel of radius r = 0.345m has a constant angular acceleration of ? = 9.35rad/s2, What is the linear acceleration of the bicycle
An Olympic skier moving at 20.0 m/s down a 30.0o slope encounters a region of wet snow, of coefficient of friction μk=0.740. Find how far down the slope does she go before stopping
A 25 kg block slides down an inclined ramp. The ramp makes an angle of 165 degrees clockwise from the horizontal. What is the magnitude of the gravitational force on the block
An object falling under the pull of gravity experiences a frictional force of air resistance. find the terminal speed that the object reaches while falling
When the play button is pressed, a CD accelerates uniformlyfrom rest to 495 rev/min in 2.6 revolutions. what is the torque exerted on it
Two loud speakers separated by a distance of 2.0 m are in phase. Assume the amplitudes of the sound from the speakers are approximately the same at the position of the listener, For what frequencies is the signal a maximum
a capacitor consists of three concentric spherical shells with radii r2r and 3r. the inner and outer shells are
light shines through a single slit whose width is 5.5 times 10-4 m. a diffraction pattern is formed on a flat screen
"Specifically, they must have complementary polarizations. For example, if photon A is later measured to have horizontal (0 degrees) polarization, then the other photon must "collapse" into the complementary state of vertical (90 degrees) polariza..
An archer pulls her bow string back 0.380 m by exerting a force that increases uniformly from zero to 219 N. How much work is done in pulling the bow
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