power is measured in which unit?\no joules\no watts\no meters per second\no newtons per meter

Answer

Brief Explanations:

Power is defined as the rate of doing work or transferring energy. The SI unit of power is the watt (W), which is equal to one joule per second (J/s). Joules are the unit of energy, meters per second is a unit of speed, and newtons per meter is related to spring - constant.

Answer:

B. watts