A 75 kg refrigerator is located on the 70th floor of skyscraper (300 meters above ground). What is the potential energy of the refrigerator. (PE=MGH(G=9.8M/S²)​

To create electromagnetic induction, which of the following has to move? a. a wire b. a magnet c. a transformer d. either a or b

One form of energy can be another type of energy. a. created to form b. transformed into c. destroyed and then created to form

Apotter's wheel moves uniformly from rest to an angular speed of 0.20 rev/s in 32.0 s. (a) find its angular acceleration in radians per second per second. rad/s2 (b) would doubling the angular acceleration during the given period have doubled final angular speed?