题目
题目

Math & Science Prep Program Science Basics Quiz

单项选择题

Which of these quantities is a vector? (See "Vectors")

选项
A.3 miles
B.50 km North
C.5 inches
D.1-5
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标准答案
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思路分析
To determine which quantity is a vector, we look for a measurement that includes both a magnitude (how much) and a direction (which way). Option 1: '3 miles' provides only a magnitude wi......Login to view full explanation

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