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Sodium has a volume expansion coefficient of 15' 10-5 K-1.
Calculate: a. The percentage change in the Fermi energy as the temperature is raised from 0K to 300K. Comment on the Magnitude of the change.
b. The percentage change of the Fermi velocity.
To hoist himself into a tree, a 72.0-kg man ties one end of anylon rope around his waist and throws the other end over a branchof the tree. determine the man's upward acceleration
The car now stops, and the four people get out. By how much does the car body rise on its suspension owing to this reduce in weight.
A generator uses a coil that has 330 turns and a 0.34-T magnetic field. determine the length of the wire from which the coil is made
a long pair of wires conducts 23.7 a of dc current to and from an instrument. if the insulated wires are of negligible
a model rocket is fired straight up from ground level with a constant acceleration of 50ms-2 until the engine runs out
The electric motor of your new 2012 Chevrolet Volt is rated at 111 kW [W=J/s]. The mass of the car is 1600kg. How much time will it take to reach the higher speed
An air-filled capacitor consists of two parallel plates, each with an area of 7.60 cm2, separated by a distance of 1.70 mm. evaluate the electric field between the plates
A single slit of width 0.2 mm is illuminated with a beam of laser light of wavelength 600 nm which casts a single slit diffraction pattern on a screen 6 m away. What is the linear spacing between two successive fringes observed on the screen
A refrigerator has a coefficient of performance of 7.9. How much heat in joules is exhausted to the hot reservoir when 209 J are removed from the cold reservoir?
A positive charge of 4.40 µC is fixed in place. From a distance of 4.20 centimeter a from the fixed positive charge, Evaluate what is the speed of the +3.30 µC when it is 7.10 centimeter away from the fixed positive charge
In a fluorescent tube of diameter 3 cm, 3 times 1018 electrons and 0.75 times 1018 positive ions (with a charge of +e) flow through a cross-sectional area each second
The magnetic field in the interstellar space of out galaxy is through to be about 10^-10 T in magnitude.how much energy is stored in this field ina cube 10 light-years on edge? (for scale ,note that the nearest star is 4.2 light-years distant and the..
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