Find the strength of the field based problem
A piece of aluminum foil of mass 2.6 x 10-2 kg is suspended by a string in an electric field directed vertically upward. If the charge on the foil is 4.5 µC, find the strength of the field that will reduce the tension in the string to zero.
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A) What is the speed of the alpha particle when the particles are 1.4 nm apart? B) What is the speed of the antiproton when the particles are 1.4 nm apart?
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