Physics, 23.07.2020 19:01 hillmarilyn70pe8sy6
•• A metal sphere carrying an evenly distributed charge will have spherical equipotential surfaces surrounding it. Suppose the sphere’s radius is 50.0 cm and it carries a total charge of (a) Calculate the potential of the sphere’s surface. (b)You want to draw equipotential surfaces at intervals of 500 V outside the sphere’s surface. Calculate the distance between the first and the second equipotential surfaces, and between the 20th and 21st equipotential surfaces. (c) What does the changing spacing of the surfaces tell you about the electric field?
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Physics, 22.06.2019 08:00
Why is it important always to use horizontal bars in unit fractions when performing unit conversions?
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Physics, 22.06.2019 15:30
Charge is distributed along the entire x-axis with uniform density λ. how much work does the electric field of this charge distribution do on an electron that moves along the y-axis from y = a to y = b? (use the following as necessary: a, b, ε0, λ, and q for the charge on an electron.)
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Physics, 22.06.2019 15:50
The space between two 15-in.-long concentric cylinders is filled with glycerin (viscosity = 8.5 × 10-3 lb·s/ft2). the inner cylinder has a radius of 1 in. and the gap width between cylinders is 0.1 in. determine (a) the torque and (b) the power required to rotate the inner cylinder at 180 rev/min. the outer cylinder is fixed. assume the velocity distribution in the gap to be linear.
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Physics, 22.06.2019 16:00
The frequency of the fundamental of the guitar string is 320 hz. at what speed v do waves move along that string?
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•• A metal sphere carrying an evenly distributed charge will have spherical equipotential surfaces s...
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