Nov 19, 2008 · The power loss is given by I ^2 R where I is the current and R is the resitance. I know why these variables are in this equation. V = I R P = I V therefore, P = I² R What I don't understand is …

Aug 28, 2021 · So the formula for power is Power = work / time. There's two types of energy transfers: heat and work. How do you calculate the power of something using heat energy in BTU/hr when BTU …

Feb 25, 2018 · How does this version of the power equation relate to physical situations? Does the value you get give you an instantaneous power? Or is the velocity to be taken as the average velocity (an …

Mar 16, 2016 · There are three Formulas for Power, ( P=IV, P=I^2R, P=V^2/R). Can someone tell me when to use the right forumlas?

Sep 19, 2010 · Homework Statement How much power does a weightlifter expend when lifting a 50kg barbell a distance of 1.2m in a time interval of 1.5s? Homework Equations Power=work done/time …

Dec 12, 2022 · I Equation for power required to overcome drag electrodacus Dec 12, 2022 Drag Power

Nov 18, 2018 · In this case, the equation can be rewritten as a = P/ (mv). With this new equation, assuming power and mass are constants, we can see that the acceleration is a function of velocity. …

Jan 27, 2012 · The stopping power is influenced by the particle's energy and the medium it traverses, necessitating a specific model for accurate calculations. Clarification on integrating the stopping …

Nov 18, 2012 · The discussion focuses on estimating the power of a light source based on photon concentration and wavelength. The user seeks an equation to convert photon concentration …

May 1, 2014 · P=I^2R is primarily used to calculate heat loss in a circuit, while P=VI and P=V^2/R can also be used depending on the available variables. To find power generated by a DC voltage source, …