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Potential energy in a one-dimensional crystal **
Calculate the potential energy, per ion, for an infinite 1D ionic crystal with separation a; that is, a row of equally spaced charges of magnitude e and alternating sign. Hint: The power-series expan- sion of ln(1 + x) may be of use.
a carnot engine whose low-temperature reservoir is at 17.7degc has an efficiency of 29.2. by how much should the
An athlete on a trampoline leaps straight up into the air with an initial speed of 5.1 m/s, find the speed of the athlete when she is halfway up to her maximum height
two large parallel non-conducting sheets are spaced d 2.80 cm apart and have a potential difference of magnitude 500
The lowest point in Death Valley is 85 m below sea level. What is the change in potential energy of an energetic 91.2kg hiker who makes it from the floor of Death Valley to the top of Mt. Whitney
A 5.0 Kg mass hangs from the nylon rope, and the diameter of the aluminum cylinder is 80.0 nm. If the Crank handle is rotated 414 times, how many work is done?
during a circus performance a 74.9-kg human cannonball is shot out of an 18.6-m-long cannon. if the human cannonball
A suspicious-looking manruns as fast as he can along a moving sidewalk from one end to theother, taking 3.50 s. Then security agentsappear and the man runs as fast as he can back along the sidewalk to his starting point, taking 11.0 s.
question two insulating spheres have radii r1 and r2 masses m1 and m2 and uniformly distributed charges -q1 and q2.
A copper bar is moved to the right while its axis is maintained in a direction perpendicular to a magnetic field, what is the direction of the magnetic field
In a supernova, a red giant of mass 1.19*1031 kg collapses into a neutron star of mass 5.97*1030 kg
Atomic nuclei have a typical density of about 10^(17) kg/m^3. The density of liquid mercury is roughly 10^(4) kg/m^3. Approximately what fraction of the volume of liquid mercury is empty space between mercury nuclei?
A large, thin plastic disk wth diameter D=3.0 meters carries a uniformlydistributed charge of Q= -3.0 x 10^-5 C, Calculate the magnitude q of the charge on the left circular face of the foil
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