Scientific Skills & Tools (id: d6d698149)

admin · 发表于 2024-2-15 10:40:24

本题目来源于试卷: Scientific Skills & Tools，类别为 IB物理学

[单选题]

An object moves 9m east, then 12m north.

What is the magnitude of the total displacement of this object?

A. 3m
B. 15m
C. 21m
D. 36m

参考答案: B

本题详细解析:

Through vector addition,

Displacement = $\sqrt{1 2^{2} + 9^{2}} = 15 �$

data/attachment/exam/2312/06/2312060533536316.jpg

微信扫一扫，分享更方便

账号		自动登录	找回密码
密码			立即注册