Question 1
A slice of cheese pizza has a caloric content of 550 Cal. If this energy could be used to power a 2500 Watt microwave oven, how many minutes could the microwave oven be operated? 1 W = 1 J/s
◦ 3.00 min
◦ 15.3 min
◦ 15 min
◦ 917 min
Question 2
Which of the following is
not a type of energy or energy transfer?
◦ heat
◦ work
◦ thermal energy
◦ height