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

by | May 23 | Physics WAEC | 0 comments

A. 4.50 x 10³J
B. 2.25 x 10³J
C. 1.80 x 10³J
D. 1.35 x 10³J

Correct Answer: Option D

D. 1.35 x 10³J

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