Emily’s vacuum cleaner has a power rating of 200 watts. if the vacuum cleaner does 360,000 joules of work,
how long did emily spend vacuuming?

An air-standard stirling cycle operates with a maximum pressure of 600 psia and a minimum pressure of 10 psia. the maximum volume of the air is 10 times the minimum volume. the temperature during the heat rejection process is 100°f. calculate the specific heat added to and rejected by this cycle, as well as the net specific work produced by the cycle. use constant specific heats at room temperature. the properties of air at room temperature are r

What is the order of the moon, earth, and sun in a lunar eclipse and a solar eclipse?

Acar moves a distance of 50.0 km west, followed by a distance of 64.9 km north what was the magnitude of the displacement of the car, in units of kilometers?