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What symbol represents energy in an equation?
I don't think there is one but I'm not sure. I don't think you show energy on a symbol equation.
What is the mathematics equation to find horsepower?
Horsepower = (number of joules of energy every second) divided by (746).
What is the equation for power in physics?
There are several equations that involve power. The basic definition of power is energy divide by time, so that is one equation. In electricity, if you have a DC current, power = current x voltage. In the case of AC, power = current x voltage x power factor (in many cases, the power factor is close to 1).
What is 4s in a y?
In the context of chemistry, "4s" refers to the 4th energy level (shell) and the s orbital within that energy level. The "y" is not a standard scientific notation or symbol, so it is unclear what it represents in this context. If you provide more information or context, I can offer a more specific explanation.
What is Emc square?
Correctly written it is E = mc^2 'E' is energy 'm' is mass 'c' is ther speed of light in a vacuum. It is the Einsteinian theory relating energy to mass. What it means is in a nuclear reactor , the mass of the nuclear fuel is converted into energy by the loss of mass. The mass placed in the reactor may be say 1 kg. It undergoes nuclear disintegration, forming two or more new elements of less mass ( say 0.999 kg) that the originsal mass . The loss being energy. !!!!! Notice it is a very tiny loss , but produces a huge amoint of energy.
