Name: Date Period: PAP Physics: Coulomb\'s Law 2. A hydrogen atom contains a pro
ID: 1620410 • Letter: N
Question
Name: Date Period: PAP Physics: Coulomb's Law 2. A hydrogen atom contains a proton and an electron separated by a distance of 5.0 x10 meters. The charge on the proton is the same as the charge on the electron: 1.6x10 ISC. Calculate the force between the two particles. Draw the direction of the force between the particles. 3. A positive charge of 1.8x10 Cand a negative charge of -1.0x10 Care 0.014 m apart. Calculate the force between the two charges? Do they repel or attract? 4. Two charged objects have a repulsive force of .020 N. If the charge ofone of the objects is doubled, then what is the new force? 5. Two charged objects have a repulsive force of.o4 N. If the distance separating the objects is halved, then what is the new force? 6. Suppose that two each with a charge of+2.00 Coulomb separated by a distance of point charges, 2.00 meter. Determine the magnitude of the electrical force between them.Explanation / Answer
2.
From coloumb's law
F=KQ1Q2/r2=(9*109)(1.6*10-19)(1.6*10-19)/(5*10-11)2
F=9.216*10-8 N
since electron has negative charge ,while proton has positive charge ,therefore force is attractive
3.
force between two charges
F=(9*109)(1.8*10-6)(-1.1*10-6)/0.0142
F=-90.92 N
since charges are opposite sign ,so they attract
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