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A steel cylinder with a radius of 5cm and a length of 4cm is placed in end to end thermal contact with a copper cylinder of the same dimensions. If the free ends of the two cylinders are maintained at constant temperatures of 95C(steel) and 15C (copper), how much heat will flow through the cylinders in 10 minutes?
A nail projects 40.0 mm horizontally outward from a wall. A 25.0 N coat is hung from the end of the nail and the nail deflects downward by 2.50 10-6 m. The shear strain of the nail is
find the acceleration of the bolt relative to the train car
Excluding fine and hyperfine transitions, do all transitions that end up in the ground state of hydrogen give ultraviolet light? Why? A brief explanation would be greatly appreciated
A plate carries a charge of -3.11mC,while a rod carries a charge of +2.02mC.How many electrons must be transferred from the plate to the rod,so that both objects have the same charge.
A planet with a radius of 6.68 ×107 m has a gravitational field of magnitude 34.2 m/s2 at the surface. What is the escape speed from the planet
At the instant the alpha particle leaves the nucleus, the centers of the two are 7.5 apart and essentially at rest. Find their speeds while they're a great distance apart. Treat each particle as a spherical charge distribution.
Capacitors C1 = 5.50 µF and C2 = 2.95 µF are charged as a parallel combination across a 250 V battery. Calculate the resulting charge on each capacitor
A 1.00 kg block of ice at 0 C and 1.00 atm melts completely to water at 0C. calculate the change of the etrophy of the ice during the melting process
Two acrobats, each of 60.0 kg, launch themselves together from a swing holdings hands. What should be the distance (in m) between the two swings
Why and howif you have 2 functions of E (fermi and density of states) and you compute and plot it versus E-Ec. Is it best to use Matlab or excel in the computations?If someone can explain how to go about solving tis I would appreciate it.
An air-track glider attached to a spring oscillates between the 12.0cm mark and the 63.0cm mark on the track. What is the maximum speed of the glider
An airplane pilot wishes to fly due west. A wind of 72.0 km/h is blowing toward the south, What is the speed of the plane over the ground
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