Physics WAEC

500g of water is heated so that its temperature rises from 30°C to 72°C in 7 minutes. calculate the supplied per minute. (Specific heat capacity of water is 4200Jkg−1K−1
500g of water is heated so that its temperature rises from 30°C to 72°C in 7 minutes. calculate the supplied per minute. (Specific heat capacity of water is 4200Jkg−1K−1500g of water is heated so that its temperature rises from 30°C to 72°C in 7 minutes. calculate the supplied per minute. (Specific heat capacity of water is 4200Jkg−1K−1

A. 9000J
B. 12600J
C. 21000J
D. 25200J
E. 88200J

Correct Answer:

Option B – 12600J

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