what is the formula for power?
349215
mechanical power, P = Work done per unit time = W/t\n\nElectical Power P = current times potential difference = IV\n\nfor ohmic devices we can also use the substition from Ohm's law V = IR in the power formula above.
107615
t=theta\n^=to the power of...\n\ncos (2t) + 2 sin ^2 (t) = cos (2t) + 2 - 2 cos ^2 (t)
697172
Remember how powers are defined. 2^3 = 2*2*2. So, a nice feature of exponents is that multiplying numbers adds the exponents = for instance, 2^3*2^4 = (2*2*2)*(2*2*2*2) = 2^(3 + 4) = 2^7\n\nNow, lets say you have the problem 2^7*2^x = 2^4. How would you solve this? By the nice exponent property above, this is the same as 7 + x = 4, so x = -3. But expanding these out, 2^7 = 128, 2^4 = 16, so 2^-3 should be 1/8.\n\nThis is also why anything (except 0) to the 0th power is 1:\n\na^x*a^0 = a^(x + 0) = a^x, so a^0 = 1
712931
Power is essentially strength applied over a period of time.\nMore strength and/or less time yields more power.\n\nPower = strength / time\n\nIn most any sport, more power is gooooood!\nGo get ya some and good luck to you!
300751
Use the chain rule and the power rule.\n\nIf y = x^a, then y' = a * x^(a-1).\n\nSo, y = (2x+3)^(.5)\ny' = .5 * 2 * (2x+3)^(-.5) = (2x+3)^(-.5)\ny'' = -.5 * 2 * (2x+3)^-1.5 = -(2x+3)^(-1.5)
129261
Kilowatts  Equations\nDirect Current  =        I x E/1000\nAC / 1phase 115v or 120v =I x E x PF/1000\nAC / 1phase 208,230, or 240v= I x E x PF/1000\nAC 3 phase All Voltages     =    I x E x 1.73/1000\n\nE = Voltage \nI = Amps \nPF = Power Factor
889055
Power:\nP=dE/dt = dW/dt\n\nForce:\nf=ma\n\nEnergy:\ne=mc^2
616704
pie   p power = i current x e voltage\n      e = i x r resistance
120160
http://mathworld.wolfram.com/ComplexNumber.html\n\nfind definitions of absolute value (||), power and product.\nIt should be straightforward from there.
150867
Your question makes no sense. There is no equal sign. What do you want to solve for? Why so many powers (a^b means a to the power of b)?
328811
power to weight ratio = power/weight.\n\nIn quoting it, you must give the units, e.g.\nhorsepower per ton, watts per pound, kilowatts per kilogram...
289834
power tell u how many time to mutiply the orginal number \n\nfor example\n  y^2 = y time y\n  y^3 = y time y time y\n  .......
731165
You can get them from SparkNotes.  http://www.sparknotes.com/lit/power/\n\n\nHope that helps.
133829
8x^7\n\nThe first reference refers to this as the "Power Rule".\n\n  x^n'=nx^{n-1}
934641
If a voltage spec (v volts) is given on the resistor, then the power\nrating, p = v^2/r  ( r = resistance in ohm, you already know).\n\nIf v is not given then the only way is to connect the resistor to the poles of a battery cell via an Ammeter, and see the electric current measurement in ampere (say, i amperes).\n\nThen p = i^2 x r  (p, in watts).
681299
Power = Volt X amps\nP/v= I\n100/130 = .77 amps\nMIKE
1094108
Use a calculator and raise it to the 1/3 power.\nDon't try to do it by hand...