Determining the current in the rod
A metal rod of length 2.0 m is moved at 6.0 m/s in a direction perpendicular to its length. A 5.0 m T magnetic field is perpendicular to both the rod and its velocity. If the resistance of the rod is 15 mO, what is the current in the rod.
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Calculate: a) The mass flow rate, and b) The work out of turbine in horsepower. Neglect the changes in kinetic energy and potential energy.
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A student calculated the correlation between two quantitative variables and got a value of 0.02. After this, he concluded that since the sample size coefficient was near zero, there was no relationship between the two variables. Comment on the app
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