Your oven has a power rating of 5000
your oven has a power rating of 5000 watts.
a. how many kilowatts is this? b. if the oven
is used for 2 hours to bake cookies, how
many kilowatt-hours (kwh) are used? c. if
your town charges $0.15/kwh, what is the
cost to use the oven to bake the cookies?

An object weighs 40n in air, weighs 20n when submerged in water and 30n when submerged in a liquid of unknown density. what is the density of the liquid?

How many atoms of nitrogen are in the chemical formula ni(w on

A5 foot by 5 foot box culvert is buried 6 feet beneath the surface of the ground. a crosssection of this very long culvert (into and out of the page) is illustrated below. assume that the soil in which the culvert is buried has the following properties: jt = 120 pcf, w = 12%, ko = 0.50, ka = 0.33, and kp = 3.00. calculate the total horizontal force per unit length of culvert (fh) felt on one of the vertical faces of the culvert.