Discussion
One Joule is equal to
Answer: C
One joule equals 107 ergs.
\[ 1\ \mathrm{J} = 1\ \mathrm{N\,m} = 10^5\ \mathrm{dyne} \times 10^2\ \mathrm{cm} = 10^7\ \mathrm{erg} \]
The erg is the CGS unit of work and the joule the SI unit; the factor comes from converting both the force and the distance.
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