(a) What is the magnitude of the force that each sphere experiences? (b) The sph
ID: 2133943 • Letter: #
Question
(a) What is the magnitude of the force that each sphere experiences?
(b) The spheres are brought into contact and then separated to a distance of 3.52 cm. Determine the magnitude of the force that each sphere now experiences.
WITH UNITS PLZ
Two tiny conducting spheres are identical and carry charges of -25.7 C and +68.9 C. They are separated by a distance of 3.52 cm. What is the magnitude of the force that each sphere experiences? The spheres are brought into contact and then separated to a distance of 3.52 cm. Determine the magnitude of the force that each sphere now experiences.Explanation / Answer
a)
F = kq1q 2/r^2 = 9e9*25.7e-6*68.9e-6/(3.52e-2*3.52e-2) = 1.29 x 10^4 N
b)
a = (q1+q2)/2 = (-25.7+68.9)/2 = 22.24
F = k q^2/r^2 = 9e9*22.24e-6*22.24e-6/(3.52e-2*3.52e-2) = 3.59 x 10^3 N
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