Homework Statement
A 75.0-W light bulb is powered by connecting it to a standard 12.0 V auto lead-storage battery. How much energy (J) is required to keep the bulb burning for 50.0 continuous minutes ?
Assume 100 percent efficency.Homework Equations
1 watt = 1 J/s
1 J = 1 C x 1 V
The Attempt...