DP Physics (last assessment 2024)

Test builder »

Question 18N.3.SL.TZ0.4a

Select a Test
Date November 2018 Marks available [Maximum mark: 2] Reference code 18N.3.SL.TZ0.4a
Level SL Paper 3 Time zone TZ0
Command term Calculate Question number a Adapted from N/A
a.
[Maximum mark: 2]
18N.3.SL.TZ0.4a

A rocket of proper length 120 m moves to the right with speed 0.82c relative to the ground.

A probe is released from the back of the rocket at speed 0.40c relative to the rocket.

(a)

Calculate the speed of the probe relative to the ground.

[2]

Markscheme

0.82 c + 0.40 c 1 + 0.82 c × 0.40 c c 2  ✔

0.92c