Arefrigerator is to remove heat from the cooled space at a rate of 300 kj/min to maintain its temperature at -8 â°c. if the air surrounding the refrigerator is at 25 â°c, determine the minimum power input required for this refrigerator.

Clothes dryer uses about 7 amps of current from a 240 volt line. how much power does it use?

Aplayground merry-go-round has a radius of 4.6 m and a moment of inertia of 200 kg-m2 and turns with negligible friction about a vertical axle through its center. a child applies a 26.0 n force tangentially to the edge of the merry-go-round for 15.0 seconds. if the merry-go-round is initially at rest, how much work did the child do on the merry-go-round?

Explain the difference in reactivity of the elements based on their electron configurations.