Space Time & Motion A.5 Special Relativity (id: 620e9c1f9)

本题目来源于试卷: Space Time & Motion A.5 Special Relativity，类别为 IB物理学

[单选题]

Two cyclists, A and B, start riding their bicycles from the same point. Cyclist A moves northwards with a speed of $4V$ relative to the ground, and cyclist B moves westwards with a speed of $3V$ relative to the ground.

The magnitude of the velocity of the Cyclist A relative to the Cyclist B is

A. $v$
B. $4v$
C. $5v$
D. $7v$


参考答案:  C


本题详细解析:

微信扫一扫，分享更方便