Question

if in the process of rubbing the lenses of the eyeglasses, 6.28 x 10¹⁰ electrons were tranferred.

A. What is the charge of the lenses and the nylon cloth?

B. What is the change in their masses?

Answer 1

A) $Q=Ne=10\text{ nC}.$

B) $\Delta m=m_eN=5.72·10^{-20}\text{ kg}.$