To convert joules into actual energy, you need to specify the context in which the energy is being used. For example, 1 joule of energy is equivalent to the energy needed to move a 1 Newton force a distance of 1 meter. In different contexts, such as electricity, 1 joule is equivalent to the energy transferred when a one ampere current flows through a one ohm resistance for one second.
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To convert joules to megaelectronvolts (MeV), you can use the conversion factor 1 MeV = 1.60218 x 10^-13 joules. Simply divide the energy in joules by this conversion factor to get the equivalent energy in MeV.
To convert 1 cm-1 to joules, you can use the formula: Energy (in joules) (1 cm-1) x (1.986 x 10-23 J). This will give you the energy value in joules.
To convert from Joules per square centimeter (J/cm^2) to Joules (J), you would need to multiply the value in J/cm^2 by the area over which the energy is distributed in square centimeters. This will give you the total energy in Joules.
To convert joules to watts, you need to know the time over which the energy is expended. Since power in watts is defined as energy in joules divided by time in seconds, you cannot directly convert 7000 joules to watts without knowing the time duration.
Power (watts) is a measure of energy transfer over time, while energy (joules) is a measure of total work done. The formula to convert energy in joules to power in watts is: Power (watts) = Energy (joules) / time (seconds).