Select the correct answer.
A washing machine uses 1.8 5 10 watts of power. If it is in use for 2 hours per day (on average), how many kilowatt hours will it use in 30
days?
A.
1.1 x 104 kilowatt hours
B.
36 kilowatt hours
C. 18 kilowatt hours
D. 540 kilowatt hours
E.
1.1 x 106 kilowatt hours

What are similarities and differences of reflection, refraction, diffraction and absorption?

Astudent pushes a 60-n block across the floor for a distance of 10 m. how much work was done to move the block

You have two photos of a person walking. one shows the person at the corner of third and main streets, the other shows the person at the corner of tenth and main streets. there are lampposts at every corner in this town, and the first picture shows it to be 10: 32: 00 exactly. the second picture shows it to be 10: 49: 30. you know three facts: (1) all of the clocks are synchronized; (2) there are exactly 12 equal-sized blocks per kilometer in this town; and (3) the streets that cross main in this area are numbered consecutively, with no interruptions. what is the person’s average speed in kilometers per hour?