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11 January, 01:15

Becky has a shower and uses 20,000g of water with a specific heat capacity of 4200J/KG. When the water is supplied with 336,000J of energy, it heats up to 50^c. What is the startig temperature of the water?

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  1. 11 January, 01:20
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    46°C

    Explanation:

    q = mCΔT

    336,000 J = (20 kg) (4200 J/kg/°C) (50°C - T)

    T = 46°C
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