DP Physics (last assessment 2024)
Question 19N.3.SL.TZ0.a(i)
| Date | November 2019 | Marks available | [Maximum mark: 2] | Reference code | 19N.3.SL.TZ0.a(i) |
| Level | SL | Paper | 3 | Time zone | TZ0 |
| Command term | Calculate | Question number | a(i) | Adapted from | N/A |
a(i).
[Maximum mark: 2]
19N.3.SL.TZ0.a(i)
A train is moving across a bridge with a speed v = 0.40c. Observer A is at rest in the train. Observer B is at rest with respect to the bridge.
The length of the bridge LB according to observer B is 2.0 km.
Calculate, for observer A, the length LA of the bridge
[2]
Markscheme
✔
1.8 «km» ✔
