Physics, 28.01.2020 01:31 patrickwilson

An 100w light bulb is on 6 hours work out the energy (kwh) used and the cost of it (1kwh = £0.1359) with working out

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An 100w light bulb is on 6 hours work out the energy (kwh) used and the cost of it (1kwh = £0.1359)...

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