Another way to think about momentum is how hard it is to stop a moving object. It’s harder to stop an object moving quickly than an object moving slowly. What is the momentum equation? All moving objects have momentum. Momentum is a vector quantity which means it has size AND direction...
Momentum: p = mv (p: momentum (kg / s), m: mass (kg), v: velocity (m / s), direction and speed in the same direction) is a vector.2.简述牛顿第三定律.牛顿第三定律: 两个物体间的作用力和反作用力总是大小相等,方向相反,并且作用在同一直线上 .F1=-F2 ①力的作用是相互的.同时出现,...
1.p=m*v,where p is the momentum,m is the mass,and v is the velocity.The momentum is a vector. 2.Newton's Third Law: For every action,there is an equal and opposite reaction. 3.To the left. 4.Mass is a measurement of the amount of matter something contains,while weight is the...
1.8.6 Relativistic Momentum and Energy 相对论动量和能量 VCE物理 VCE Unit3&4 Physics 06:20 1.8.5 Mass-Energy Equivalence 爱因斯坦质能方程 VCE物理 VCE Unit3&4 Physics 07:30 1.8.4 Length Contraction 狭义相对论-长度收缩 VCE物理 VCE Unit3&4 Physics 12:05 1.8.3 Time Dilation 狭义相对论-时间...
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vector (ˈvɛktə) n 1.(Mathematics)mathsAlso called:polar vectora variable quantity, such as force, that has magnitude and direction and can be resolved into components that are odd functions of the coordinates. It is represented in print by a bold italic symbol:For̄F. Comparepseudo...
1. What is the formula for momentum,and is it a vector? 2. Briefly state Newton’s Third Law 3. If a box is sliding to the right, what direction is the force of friction on the box? 4. Name one difference between mass and weight. 扫码下载作业帮搜索答疑一搜即得 答案解析 查看更多...
Magnitude of a Vector | Calculation & Components 3:55 Vector Components | Direction & Examples 3:34 Vector Resolution: Definition & Practice Problems 5:36 Ch 3. Kinematics Ch 4. Force and the Laws of Motion Ch 5. Work and Energy in Physics Ch 6. Linear Momentum in Physics Ch 7. ...
1 (a) State what is meant by a scalar quantity and by a vector quantity.scalar:..■vector:…[2](b)Complete Fig. 1.1 to indicate whether each of the quantities is a vector or a scalar.quantity vector or scalar power temperature momentum Fig.1.1[2](c)An aircraft is travelling in wind...
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