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Objects simply do not acquire charges on the order of 1.00 Coulomb. In fact, more likely Q values are on the order of 10-9 or possibly 10-6 Coulombs. For this reason, a Greek prefix is often used in front of the Coulomb as a unit of charge. Charge is often expressed in units of microCoulomb (ÂµC) and nanoCoulomb (nC).
Here's the physics. F = QE = QV/s is the force exerted by the E field on the proton of mass m; so the work function is Fs = QV; where Q is the proton charge in Coulombs, V is 1100 volts.s is the gap between the parallel plates with the voltage potential. We assume the proton is inserted next to the anode.hat work coverts to kinetic energy as the proton is attracted to the cathode; so we have QV = 1/2 mv^2 and v = sqrt(2QV/m) = ? m/s where m is the proton mass. Plug and chug.