DP Physics (first assessment 2025)
Question 23M.2.HL.TZ2.iii
Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.2.HL.TZ2.iii |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Show that | Question number | iii | Adapted from | N/A |
iii.
[Maximum mark: 2]
23M.2.HL.TZ2.iii
Show that the gravitational potential VP at the surface of P due to the mass of P is given by VP = −gP RP where RP is the radius of the planet.
[2]
Markscheme
VP = AND gP = (at surface) ✓
Suitable working and cancellation of G and M seen ✓
VP = −gP RP
Must see negative sign
