DP Physics (first assessment 2025)

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Question EXE.1A.HL.TZ0.13

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Date Example questions Example questions Marks available [Maximum mark: 1] Reference code EXE.1A.HL.TZ0.13
Level HL Paper 1A Time zone TZ0
Command term Question number 13 Adapted from N/A
13.
[Maximum mark: 1]
EXE.1A.HL.TZ0.13

Two spaceships, X and Y move in opposite directions away from a space station. The speeds of the spaceships relative to the space station are u and v.

What is the speed of Y in the reference frame of X?


A.  u-v1-uvc2

B.  u-v1+uvc2

C.  u+v1-uvc2

D.  u+v1+uvc2

[1]

Markscheme

D