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Neutrons in thermal equilibrium with matter have an average kinetic energy of (3/2)kT, where k is the Boltzmann constant and T is the temperature in Kelvin. If liquid nitrogen is used to cool a container to 220.0 K, this can be used as the temperature of the environment of the neutrons.
A) What is the average kinetic energy of the neutrons? (eV)
B) What is the corresponding de Broglie wavelength?
A police siren has a frequency of 550 Hz as the police car approaches you and a frequency of 450 Hz after it has passed you and receding, What is the true frequency of the police siren
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Find the energy required to flip a magnetic dipole of 3 x 10^(-4) A*m^(2) in a magnetic field of 0.6T
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Fish are hung on a spring scale to determine their mass (most fishermen feel no obligation to report the mass truthfully). How far apart are the half-kilogram marks on the scale
Using a simply pulley/rope system, a crewman on an Arctic expedition is trying to lower a 5.52 kg crate to the bottom of a steep ravine of height 23.9 meters. At what speed will the crewman hit the bottom of the ravine
a sample of rock from an asteroid is assayed and found to contain 3.62 parts per million uranium, how old is this sample
Refrigerant-22 enters a turbine at 300 psi, 280°F, 2000 ft3/hr. The exit is at 15 psi, 10°F. Find the mass flow rate
The coil of a galvanometer has a resistance of 19.8 ?, and its meter deflects full scale when a current of 6.30 mA passes through it. What is the maximum current that this ammeter can read
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