How do you solve for h in P=mgh? - Socratic
2016年4月6日 · Given #P=mgh# #color(blue)("Objective: ")# To have only one #h# and for it to be on its own on one side of = and everything else on the other side. #color(brown)("Change "m" …
Derivations of KE=1/2mv^2 and PE=mgh - Physics Forums
2013年1月7日 · Homework Statement I need the derivations of gravitational potential energy and kinetic energy (without using calculus)Homework Equations PE = mgh \\\\ KE = {1 \\over …
Potential Energy of 1000 kg Car at 1m Height - Physics Forums
2004年1月15日 · If a 1000 kilogram car is lifted 1 meter what is its potential energy with respect to the floor? I used the following to solve, PE = mgh 1000 * 1 + 1000PE Is this the correct …
Calculating Power of Waterfall: PE, Work, & Electricity - Physics …
2003年12月13日 · a waterfall is 30 m high and 10000 kg of water flow over it every second A) calculate the potential energy PE = mgh got 2.94E6 joules B) calculate the power delevered …
Physics: Potential Energy Beyond Earth's Surface - Physics Forums
2011年6月5日 · mgh means that PE is work that will be done when you get it from x to 0. mgh is an approximation for relatively short distances from the earth. mgh would be the formula for an …
Equation for Gravitation potential energy - Physics Forums
2012年5月20日 · PE = mgh Wikipedia: ''The factors that affect an object's gravitational potential energy are its height relative to some reference point, its mass, and the strength of the …
How Does Gravity Affect Potential Energy in Physics? - Physics …
2017年10月25日 · Would the ball, under half as much gravity, raise to a height of 2m using kinetic energy, and if so, as it comes closer to h = 2 meters is the kinetic energy going back into …
Theoretical Question: Is W = PE? - Physics Forums
2008年1月3日 · This isn't a homework question, just something I was pondering one day. W = Fd = mad PE = mgh m = m, obviously g and a are both measurements of acceleration h and d …
What is the potential energy of a 3kg ball that is on the ground?
2018年4月10日 · Zero It really has to do with the reference point of where the ball is and where the ground is. Taking what we have here we can use the equation PE=mgh And plug in the …
How does potential energy increase, if height increases? - Physics …
2015年1月29日 · If you write things in the form that you have: V = -G m_1*m_2/r -- there is a very important negative sign that you lost, which you need to keep.