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 ▸

On a speed/time graph: a) how would a constant deceleration be illustrated? b) how would you use the graph to calculate total distance travelled?


Why is gravitational potential energy negative?


A car moves from rest and accelerates uniformly at 4m/s/s, how far will it have traveled after 10 seconds?


A sample of pure gold has a density of 19300 kgm^-3. If the density of a gold nucleus is 1.47x10^17Kgm^-3, discuss what this implies about the structure of the gold atom. [4 marks]