Hydrogen has a single proton and a single electron. Find the electric potential at a distance of 0.50 * 10^(-10) (m) from the proton.
Ve = kQ/r = ((8.99 * 10^9) * (1.6 * 10 ^-19))/(0.5 * 10^-10) = 28.77 = 29 V
PM
Related Physics A Level answers
All answers ▸How can we derive the 'suvat' equations of motion v=u+at and s=(u+v)t/2
Two current carrying wires are placed next to each other and anti-parallel currents are allowed to flow. Is the magnetic force between the wires attractive or repulsive?
Topic - force as rate of change of momentum; (i) force on a wall due to water from a hose, (ii) force on a table as a rope is dropped onto it.
What happens to the pressure inside a gas-filled ball when the temperature is increased? Explain your answer, stating the assumption made.