Compute the electrical attraction that a proton

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Q1. Gold, which has a density of 19.3 g/cm3, is the most ductile metal and can be pressed into a thin leaf or drawn out into a long fiber.

a) If a sample of gold, with a mass of 27.63 g. is pressed into a leaf of 1.000 micrometers thickness, what is the area of the leaf?

b) In its place of a leaf, the gold is drawn into a cylindrical fiber of radius 2.5 micrometers, what is the length of the fiber?

Q2. Compute the electrical attraction that a proton in the nucleus exerts on an orbiting electron if the two particles are 1.41×10-10 apart.

Reference no: EM1322320

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