DP Physics (first assessment 2025)
Question 19M.1A.HL.TZ1.34
Date | May 2019 | Marks available | [Maximum mark: 1] | Reference code | 19M.1A.HL.TZ1.34 |
Level | HL | Paper | 1A | Time zone | TZ1 |
Command term | Question number | 34 | Adapted from | N/A |
34.
[Maximum mark: 1]
19M.1A.HL.TZ1.34
A satellite in a circular orbit around the Earth needs to reduce its orbital radius.
What is the work done by the satellite rocket engine and the change in kinetic energy resulting from this shift in orbital height?
[1]
Markscheme
C
Examiners report
This question was generally well answered, however a significant number of students (incorrectly) selected response A suggesting a lack of clarity around the work done as a result of changes in orbital height.
