Question

convert 20 joules in ergs

Answer 1

Joule is the SI unit and erg is the cgs unit of energy or work.
$1 \: \: joule = {10}^{7} \: \: erg \\ therefore \\ 20 \: \: joule = 20 \times {10}^{7} = 2\times {10}^{8} \: erg$

Answer 2

Explanation:

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