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Assume that at low temperatures only the lattice vibrations and the electrons treated as a Fermi gas contribute to the heat capacity of a metal. The heat capacity of silver, measured at a temperature of 4 K, is 0.0134 J/(mole ·K). The Debye temperature of silver is 225 K. What are the electronic contribution (J/(mole ·K)) to the heat capacity of silver at 2 K?
The wave function for a wave on a taut string is y(x,t) = 0.355 sin [(9)(pi)(t) - (3)(pi)(x) + (pi/4)], where x and y are in meters and t is in seconds. What is the energy contained in each cycle of the wave
a stationary particle of charge q 2.4 times 10-8 c is placed in a laser beam an electromagnetic wave whose intensity
You are driving north on 107th Avenue at a speed of 31.2 mph. At what frequency do you hear the siren
What is the voltage as a function of time accross a capacitor C connected in a single series loop with a resistor R, By what phase angle does current lead voltage
A mass on a spring is observed to complete 15 oscillationsin 30 seconds. What are the period(seconds) and the frequency(Hz) of motion
A particular nucleus of the element plutonium contains 94 protons and 150 neutrons. What is the magnitude of the force from the nucleus on a single electron that is at a distance of 0.563 × 10-12 m from the plutonium nucleus.
a projectile is fired at v0342.0ms at an angle of theta72.3degrees with respect to the horizontal. assume that air
The vertical wall of a small dam is 26 m long and it holdsback a body of water that is 5.7 m deep. Determine the effective point of action of this force
A small object with a mass of 250mg carries a charge of 40.0 nC and issuspended by a thread between the vertical plates of aparallel-plate capacitor. what is the potential difference between the plates
Determine the current density, resistance and electric for the copper wire, if the wire is 10 m long
a woman can read the large print in a newspaper only when it is at a distance of 57 cmor more from her eyes.a is she
One mole of a dilute gas initially has a pressure equal to 1.00 atm, and a volume equal to 13.0 L and an internal energy of 1.98 kJ. As the gas is slowly heated, Find the heat absorbed by the gas
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