I understanding the formula Power loss= I^2 R - Physics Forums
2008年11月19日 · The power loss in electrical circuits is quantified by the formula P = I²R, where I represents the current and R denotes the resistance. This equation illustrates that if the current is …
What is the relation of mass and power? - Physics Forums
2018年1月16日 · The discussion focuses on calculating power using the relationship between mass, distance, and time. The initial approach involves using the formula W = Fx, where force is derived …
Power Formula: Frequency & Electrical Power Explained - Physics Forums
2015年3月6日 · Investigate the relationship between frequency and energy in photon physics for a broader understanding. Electrical engineers, physics students, and anyone interested in …
Energy vs force vs work vs power - Physics Forums
2014年8月30日 · Review introductory physics textbooks or online resources for a coherent understanding of these concepts. Students, educators, and anyone seeking to deepen their …
How can impulse be converted into power? • Physics Forums
2009年12月27日 · This discussion focuses on converting impulse into power within a chain system, specifically in the context of bicycles. The user seeks to measure force as a function of time to derive …
Given mass, distance, and time, calculate power - Physics Forums
2010年9月19日 · The calculation of power expended by a weightlifter lifting a 50 kg barbell over a distance of 1.2 m in 1.5 seconds involves understanding the relationship between work and power. …
Crossbow Physics: Calculating Spring Constant, Tension Force & Power
2017年4月7日 · 3) The Power of the crossbow (this value is more relatable than a constant k) The amount of energy that is transferred can be derived from the amount of kinetic energy devided by the …
Difference between intensity and power - Physics Forums
2009年5月8日 · Understanding of basic physics concepts such as energy, power, and intensity. Familiarity with units of measurement, particularly watts and square meters. Basic comprehension of …
What is the correct way to calculate the power ... - Physics Forums
2015年7月8日 · But, physics is as physics does, and cares little for human intuition. Let's look at something, though - what about a helicopter hovering in the air? It's constantly burning fuel, so it's …
Power Calculation: S=VI & V*I Meaning - Physics Forums
2015年5月24日 · in the calculation of complex power S=VI we sometimes use S=VI* and sometimes as S=V*I.what is the physical significance of these two notations and in which case these two …