Answer to Question #303844 in Classical Mechanics for dar

Question

The image above is a neat copy of a photo of an electricity meter for a domestic solar array. The display shows the energy we sold to the electricity company on a winter's day. Between 7 a.m. and 5 p.m., how many kilowatt hours did this household sell to the electricity company? E =

E= _____ kW.hrs

. Give your answer to two significant figures.

Each box is 100 W 

high and 1 hr 

wide.

Answer 1

Answer

Energy is given by

E=Pt

=100*1

=100KW.hr