It took 5 min to move a refrigerator. You did 3,150 J of work in the process. How much power was required to move the refrigerator? (Hint: you need to convert 5 minutes into seconds to get the correct answer)

When you drop a pebble from height a it reaches the ground with speed v if there is no air resistance. from what height should you drop it so it will reach the ground with three times the speed? (a) 9m (b) 3m (c) 6m (d) 18m

Infrared radiation has wavelengths that are shorter than visible light is part of the visible light spectrum has wavelengths that are longer than visible light has the same wavelengths as ultraviolet radiation

How to calculate voltage drop in a series circuit