DP Physics (first assessment 2025)
Question 23M.2.HL.TZ2.5c
Date | May 2023 | Marks available | [Maximum mark: 2] | Reference code | 23M.2.HL.TZ2.5c |
Level | HL | Paper | 2 | Time zone | TZ2 |
Command term | Determine | Question number | c | Adapted from | N/A |
c.
[Maximum mark: 2]
23M.2.HL.TZ2.5c
(c)
Determine the time coordinate ct′ when the flash of light reaches the spaceship, according to an observer at rest in the spaceship.
[2]
Markscheme
(ct')2 − 0 = 52 − 32
OR
= 1.25 ✓
ct' = 4 «km»
OR
t' = 13 «µs» ✓
Allow ECF from (b)
Allow ECF from MP1
