Question on: WAEC Physics - 2000

A piece of metal of mass 50g is cooled from 80oC to 20oC. Calculate the amount of heat lost. (specific heat capacity of the material of metal = 450Jkg-1K-1)

A
4.50 x 103J
B
2.25 x 103J
C
1.80 x 103J
D
1.35 x 103J
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Correct Option: D

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