How much work does an elephant do while moving a circus wagon 20 meters with a pulling force of 200n

Power can be defined as a. the distance over which work was done. b. how much work can be done in a given time. c. all the work in an given area. d. the energy required to do work.

Which basic property determines a colored light's placement on the spectrum of visible light? a. speed b. frequency c. amplitude d. velocity

Identify the type of heat transfer occurring when chocolate melts in your hand