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 ▸A satellite is in a stationary orbit above a planet of mass 8.9 x 10^25 kg and period of rotation 1.2 x 10^5 s. Calculate the radius of the satellite's orbit from the centre of the planet.
What is "half-life"?
Describe and explain the first stages of the life cycle of a star before it reaches the main sequence.
Why does an electric drill heat up when passing through metal compared to in thin air?