What is the average volume charge density
The earth's surface charge density (-1.0 x 10-9 C/m2) is roughly balanced by a net positive charge in the lower 10 km of the earth's atmosphere. What is the average volume charge density of this atmospheric charge?
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Determine the Hertz contact stresses for a 50 N coupling load. Is this kinematic coupling overloaded? Where are the locations of maximum compressive, shear and tensile stresses?
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What would be the force on a charge of +14 microC placed at this spot?
To test the efficacy of a new cholesterol-lowering medication, 10 people are selected at random. Each has their LDL levels measured (shown below as Before), then take the medicine for 10 weeks, and then has their LDL levels measured again (After).
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An electron is released from rest at the negative plate of a parallel plate capacitor. The charge per unit area on each plate is = 1.7 x 10-7 C/m2, and the plates are separated by a distance of 2.2 x 10-2 m. How fast is the electron moving just be
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