Question

Suppose you have a 75-watt light bulb that you leave turned on for two minutes. How much energy
does it use?
150 jouls
6,000 joules
1,000 joules
9,000 joules

Answer 1

Answer:

9000 J

Explanation:

Convert minutes to seconds.

2 min = 120 s

Power = energy / time

75 W = E / 120 s

E = 9000 J