Explanation:
The given data is as follows.
= 0.8 kg/s = 800 g,
= 1 kg = 1000 g, = (75 - T),
= T - 25
Now, according to the law of conservation of energy,
+ 30000
250.8 - 3.34T = 4.18T - 104.5 + 30
T =
=
Thus, we can conclude that temperature of the warm water stream is .
I believe that number 2 is A, not sure though.
I think the correct answer from the choices listed above is the first option. the transfer of heat from a stove burner to a pan on the burner is called conduction. This type of heat transfer is the exchange of thermal energy between physical systems by molecular agitation within a material without any motion of the material as a whole.
Diagram A is the correct diagram