Two tiny conducting spheres are identical and carry charges of $-19\mathrm{.}8C$ and $+59\mathrm{.}8C.$ They are separated by a distance of $2\mathrm{.}11cm.($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 $2\mathrm{.}11cm.$ Determine the magnitude of the force that each sphere now experiences.

$($a$)$ Number

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$($b$)$ Number

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