DP Physics (first assessment 2025)

Test builder »

Question 19M.2.HL.TZ2.9ai

Select a Test
Date May 2019 Marks available [Maximum mark: 2] Reference code 19M.2.HL.TZ2.9ai
Level HL Paper 2 Time zone TZ2
Command term Show that Question number ai Adapted from N/A
ai.
[Maximum mark: 2]
19M.2.HL.TZ2.9ai
(ai)

Show that the total energy of the planet is given by the equation shown.

E = 1 2 m V

[2]

Markscheme

E = 1 2 m G M r − G M m r = − 1 2 G M m r  ✔

comparison with  V = − G M r   ✔

«to give answer»

 

Examiners report

This was generally well answered but with candidates sometimes getting in to trouble over negative signs but otherwise producing well-presented answers.

Syllabus sections