Drift velocity of the conduction electrons
A 2.50 A current is carried by a copper wire of radius 1.0 mm. If the density of conduction electrons is 8.0E28/m3, what is the drift velocity of the conduction electrons?
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Saturated liquid water is compressed from 100 kPa (State 1) to 2.5 MPa (State 2) in an adiabatic pump having 85% isentropic efficiency. Determine the entropy generation (kJ/kg-K) for the pump.
In this activity, students are asked to design a hypothesis test, collect data, analyze the data and share a conclusion. The focus may be something used in everyday life and general in nature.
A mass less vertical spring is displaced 0.15 m when a 3.25 kg mass is attached. When used horizontally, what is the total energy ff the spring has an amplitude of 0.25 m?
Heights of trees in a forest are normally distributed. The mean and standard deviation of a random sample of size 20 trees are 30.2 feet and 4.3 feet, respectively. Find the 98% confidence interval for the mean height of trees in the forest. Give
Assuming static conditions, calculate the pressure in the gas and the oil phases if the pressure in the water phase is 110 kN/m^2.
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Determine the velocity level in ft/s and in m/s for Ma=0.3 in the following gases: a.)standard air and b.) hydrogen at 68 degrees Farenheit.
Write a sentence demonstrating how a research report would present the results of the hypothesis test and the measure of effect size
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