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A copper rod, an aluminum rod, and a brass rod, each of 6.00 m length and 1.00 cm diameter, are placed end to end with the aluminum rod between the other two. The free end of the copper rod is maintained at water"s boiling point, and the free end of the brass rod is maintained at water"s freezing point. What is the steady-state temperature of
(a) the copperaluminum junction and
(b) the aluminum-brass junction?
A 4.00 {rm A} current runs through a 12 gauge copper wire (diameter 2.05 {rm mm}) and through a light bulb. Copper has 8.5 times 10^ {28} free electrons per cubic meter.
A dart is thrown horizontally with an initial speed of 16 m/s toward point P, the bull's-eye on a dart board. It hits at point Q on the rim, How far away from the dart board is the dart released
consider two point particles that have charge e are at rest and are separated by 3.70 x 10-15 m.a how much work was
A brick is thrown upward from the top of a building at an angle of 17.4 degrees above the horizontal and with an initial speed of 23.6 m/s. How tall is the building
A 3.3-mC charge is moved through a 150-V potential difference. How much work is required to move the charge
A stream is 3.00 m wide and .500 m deep. Water flows at1.20 m/s over the bring of the waterfall 5.00 m high. how much pwoer would be produced
Assuming that the sound frequency is 523 Hz, how many wavelengths of sound are contained in this distance?
If you notice, the measured periods are slightly different than the predicted values from Part 1.b. What could be the cause of the differences (list at least three plausible causes)?
Again starting at 293 K, the steel rod is replaced by a brass rod 1.92 m long, also placed 0.6 cm from the aluminum rod and clamped tight on its other end. At what absolute temperature will the two rods touch?
A ball has a diameter of 3.90 cm and average density of 0.0845 g/cm3. What force is required to hold it completely submerged under water
An x-ray machine uses 260 kV rms at80.0 mA rms when it is operating. The power source is a 420 V rms line. What must be the turns ratio of the transformer? What is the rms current in the primary?
Find the pressure difference on an airplane wing where air flows over the upper surface with a speed of 128 m/s, and along the bottom surface with a speed of 100 m/s
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