1 Which is a vector quantity?(1) electric charge(2) electric field strength(3) electric potential difference(4) electric resistance5 A machine launches a tennis ball at an angle of25° above the horizontal at a speed of 14 metersper second.The ball returns to level ground.Which combination...
百度试题 结果1 题目Which of the following is a vector quantity:A. Speed B. time C. acceleration D. mass 相关知识点: 试题来源: 解析 C 反馈 收藏
百度试题 结果1 题目(b)Which of these is a vector quantity? A acceleration A B temperature C charge D density 相关知识点: 试题来源: 解析 A 反馈 收藏
1. Understanding Vector and Scalar Quantities: - A vector quantity has both magnitude and direction. - A scalar quantity has only magnitude and no direction. 2. Analyzing Each Option: - Option A: Temperature: - Temperature measures how hot or cold something is, but it does not have a direc...
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9 Which physical quantity is a vector?A massB densityC temperatureD velocity 相关知识点: 试题来源: 解析 速度是一个矢量,因为它既有大小,又有方向。所以答案是D。 矢量是既有大小又有方向的物理量。 - 质量只有大小,没有方向。 - 密度只有大小,没有方向。 - 温度只有大小,没有方向。 - 速度既有大小...
Displacement is a vector quantity that refers to "how far out of place an object is"; it is the object's overall change in position. What is scalar value? Answer: A scalar value refers to a single value . For example, string number , variable and column. A scalar value is in ...
A dipole moment is used to measure the bond polarity of a molecule. It is a vector quantity having ...View the full answer Step 2 Unlock Answer UnlockPrevious question Next question Transcribed image text: Which of the following molecules has a n...
Which of the following is a vector quantity() A.Speed B.time C.acceleration D.mass 点击查看答案 第6题 The speed with which sound waves move through a medium does depend on the properties of the medium. 点击查看答案 第7题 Which is the correct symbol for the minimum steady flight speed...
In fact, a force is a vector quantity. As we learned in an earlier unit, a vector quantity is a quantity which has both magnitude and direction. To fully describe the force acting upon an object, you must describe both the magnitude and the direction. Thus, "10 Newtons" is not a ...