A 1500 W heater is submerged into 1 kg of water that is well below 100oC. At what rate, does the temperature rise when the heater is operating at its rated

power?

0.36oC/s

If steel is more dense that lake water, why can a boat float

Which if these is an etiquette rule? (american football) question 10 options: a. debating with the ref over a call b. not communicating with your team c. post-game handshake d. taunting

Which statements best describe energy? check all that apply. the total amount of energy in the universe remains constant. the total amount of energy in the universe changes constantly. energy cannot be converted from one form to another. energy can be converted from one form to another. energy cannot be created or destroyed. energy can be created or destroyed.