Question

Answer any 4 of the 5 questions. Work out your solutions neatly and completely just as you would in a class test. Draw pictures and use English where appropriate. SHOW ALL YOUR WORK to receive full credit. Draw a box around each of your final answers to identify them to me. Make sure to give proper units for all your answers, and to round all your answers (except question 5) to 3 significant figures.

1. A cylindrical hot tub is 96.0 inches in diameter and the water level inside is 42.8 inches deep. The initial water temperature is 73.3 °F and it is raised to 103 °F by the water heater over the course of exactly 2 hours and 45 minutes. Calculate the average power delivered by the water heater over that time.

Answer 1