What is the drift speed of the conduction electrons
A curent of 2.5 A is carried by a copper wire of radius 1.39 mm. If the density of conduction electrons is 8.47^28 m^-3, what is the drift speed of the conduction electrons?
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Assuming the origin is placed where the bullet begins to move, the force exerted on the bullet by the expanding gas is F = a + b x - c x^2, where a = 7800 N, b = 10400 N/m, c = 22200 N/m^2, with x in meters. Determine the work done by the gas on t
A flat copper ribbon 0.330 mm thick carries a steady current of 50.0 A and is located in a uniform 1.30-T magnetic field directed perpendicular to the plane of the ribbon. If a Hall voltage of 9.60 +V is measured across the ribbon, what is the cha
The coefficient of static friction between his hands and the book is 0.42. To keep the book from falling, what is the magnitude of the minimum pressing force that each hand must exert?
If the atmosphere is 20°C and the temperature of the second wall (T2) is 75°C, what is the temperature of the first wall (T1)?
How high can a major league player's strikeout rate go? The accepted strikeout rate in the majors is roughly 25 percent. Consider a random variable that is the number of strikeouts in 10 plate appearances for a major league player.
The standard-state thermodynamic data on this reaction are deltaHR,298 = -90.64 kJ/mole and deltaGR,298 = -24.2 kJ/mole. At what pressure will the equilibrium conversion be 50% at 350 C?
A Mercedes-Benz 300SL (m = 1950 kg) is parked on a road that rises 15° above the horizontal. (a) What is the magnitude of the normal force?
Patients arriving at an outpatient clinic are routinely screened for high blood pressure. Assume that this condition occurs in 15% of the population. What is the average number of patients that must be seen to find three patient with high blood pre
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