One of the fundamental laws of the universe is that energy is neither created nor destroyed — it only changes forms. Consequently, many formulas for energy exist. In order to understand how these formulas are expressions of the same thing, it's important to first understand what physicists mea...
c)What is the formula for gravitational potential energy? 相关知识点: 试题来源: 解析 下列主要是什么能量的转换? 1.石头落地 2.煤燃烧 3.核能的链反应 4.发电机 5.太阳能电池 6.把水从水塔底部打到水塔顶部的水泵 2.写出功率P,能量T,时间T三者之间的公式 写出功率P,电流I,电压U三者之间的公式 ...
What does “m” represent? A. kinetic energy B. velocity C. mass D. acceleration 相关知识点: 试题来源: 解析 C。本题考查物理公式中符号的含义。在公式 KE = 1/2mv²中,m 代表质量(mass)。A 选项 kinetic energy 是动能;B 选项 velocity 是速度;D 选项 acceleration 是加速度。
Molecules and Formula Unit When elements combine, they form a compound. For covalent compounds, the smallest unit is called a molecule. The counterpart of a molecule in ionic compounds is the formula unit. Answer and Explanation:1 Formula unit is the smallest unit of an ionic compound that sti...
According to the potential energy definition, it is the energy that is stored in an object. Know what is potential energy, potential energy definition, its types and examples at BYJU’S - The Learning App.
What is the formula for the work energy theorem? What is the efficiency of a subject on a treadmill who puts out work at the rate of 101 W while consuming oxygen at the rate of 2.00 L/min? (Hint: If the oxygen consumption is 2.00 L/min, then the pow ...
41. What is the formula for Bragg's Law?d sin θ = nλ 2d sin θ = 2nλ 2d sin θ = nλ 2d sin θ = n2λAnswerThe correct answer is: C) 2d sin θ = nλExplanationBragg's law is expressed as: 2dsinθ=nλWhere:
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A formula is a fixed way of doing or making something, often expressed in mathematical or symbolic terms, while a formulation is the process or result of creating a particular combination, especially in a specific context or for a purpose. ...
Speed and velocity are distinct concepts; while speed only considers the magnitude of movement, velocity also takes into account the direction. The formula for velocity is given by velocity (v)=displacement (d)time (t)velocity (v)=time (t)displacement (d), where displacement is the distan...