1如果可以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 ...
声明: 本网站大部分资源来源于用户创建编辑，上传，机构合作，自有兼职答题团队，如有侵犯了你的权益，请发送邮箱到feedback@deepthink.net.cn 本网站将在三个工作日内移除相关内容,刷刷题对内容所造成的任何后果不承担法律上的任何义务或责任
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
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...
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...
Scalar, a physical quantity that is completely described by its magnitude; examples of scalars are volume, density, speed, energy, mass, and time. Other quantities,
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 ...
Which of the following is a scalar quantity? A) Velocity B) Acceleration C) Force D) SpeedThere’s just one step to solve this. Solution Share Step 1 SOLUTION :- Speed is a scalar quantity. Velocity is a vector quantity because it has ...