If the math adds up the submarine will travel .6 km in .25 hours.
Your question seems incomplete :-(
The answer for number 4: Temperature is an average of average heat. Heat is the average kinetic energy and thermal energy is kinetic energy.
(I can't see the answer for number 10... it would be good if you told me the question)
Answer:
profit section and that is answer A
I'm pretty sure the answer to your question is -3/5 + 4/5. C.
