Physics WAEC

How much heat is emitted when a body of mass 200g cools from 37°C to 31°C? (specific heat capacity of the body = 0.4Jg-1K-1,)

A. 4800J
B. 1200J
C. 480J 7°
D. 202J
E. 80J

Correct Answer:

Option C = 480J

Explanation

H= mCθ
= 200 x 0.4 x 6

= 480J

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5 years ago

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