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A sphere of radius 6 centimeter carries a uniform volume of charge density = 450 nC/m3.
a) Estimate the total charge of the sphere?
b) Estimate how much charge is enclosed by a sphere of 3 cm?
c) Determine the electric field at r=2cm and at r=10 cm.
A stone is thrown vertically upward with a speed of 20.0m/s. how fast is it moving when it reaches aheight of 10.0m? how long is required to reach height ? why are there two answeres to (b) ?
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The focal length of the eyepiece of a certain microscope is16.0 mm. The focal length of the objective is 7.00 mm. The distance among the objective and eyepiece is 19.7 cm. The final image formed with the eyepiece is at infinity. Treat all lenses as t..
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at a state fair a strongman claims to be able to throw a m100 g baseball straight up in the air ignore air resistance
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