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Assume the conduction electrons in a metal can be treated as classical particles in an ideal gas.
a) What is the rms velocity of electrons in room temperature copper?
b) How far, on average does an electron move between collisions?
a golf ball rolls off a horizontal cliff with an initial speed of 13.6 ms. the ball falls a vertical distance of 12.0 m
A 256Hz sound wave in 20°C air propagates into the water of a swimming pool. What are the water-to-air ratios of the wave’s frequency, wave speed and wavelength?
Refer to Interactive Solution 19.25 to review one way in which this problem can be solved, What is the distance of closest approach
An air-track glider attached to a spring oscillates with a period of 1.50s . At t=0s the glider is 5.20cm left of the equilibrium position, calculate the phase constant
a sloenoid 3.0 cm long consists of 8013 loops of wire if the magnetic field inside the solenoid is 3.0 T, what is the magnitude of the current that flows through it
A 30 g dart is shot straight up at 9.7m/s . At the same instant, a 24g ball of cork is dropped from 2.0m above the dart. What is the direction of the cork ball immediately after it is hit by the dart
An ideal heat engine absorbs 98.6 kJ of heat and exhausts 81.6 kJ of heat in each cycle. How much work is done in a cycle
A motorcycle has a constant speed of 23.0 m/s as it passes over the top of a hill whose radius of curvature is 149 m. Find the magnitude of the normal force that acts on the cycle
Two resistors of resistance R are connected in parallel. The combination is connected in series to a resistor of resistance 2R. What is the resistance of this combination of resistors
guess the force between a proton and an electron at the Bohr radius of 0.5Å (1 Å=10-10 m). The magnitude of the charge of an electron, as well as a proton, is 1.6·10-19 C.
A good baseball pitcher can throw a baseball toward homeplate at 85mi/h with a spin of 1800rev/min. How many revolutions does the baseball make
An isolated conductor of arbitrary shape has a net charge of +9.0 10-6 C. Inside the conductor is a cavity within which is a point charge q = +3.4 10-6 C. What is the charge on the cavity wall
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