A proton and an electron have an average separation of 20 1010 m. Calculate the ratio of the electrostatic force FE to the gravitational force FG acting on the particles. Use G = 667 1011 N m2 kg2.
All applicants go through a series of tests that check their level of English and knowledge of formatting styles. The applicant is also required to present a sample of writing to the Evaluation Department. If you wish to find out more about the procedure, check out the whole process.