18. How much work does a 1000 W motor do in 5.0 min if it has an
efficiency of 80%?

The total amount of energy contained in an object

Adisk with a radius of r is oriented with its normal unit vector at an angle q with respect to a uniform electric field. which of the following would result in an increase in the electric flux through the disk? check all that apply? a. increasing the area of the disk b. decreasing the given orientation angle of the disk c. decreasing the strength of the electric field d. increasing the given orientation angle of the disk, but not exceeding an angle of 90

Thermal radiation gets its name because