Question

if u drink 200 ml of water at 20 degree celsius, what is heat gained by water from your body? (body temperature is 37 degree celsius)

Answer 1

rise in temperature of water is 37-20=17 degree celcius 
now heat gained by water is 200*17*4.2=14280 joules
where 4.2 is the specific heat capacity of water

Answer 2

Explanation:

(t1 + t2)/2

20+37/2

57/2

28.5°c