What work is done when a person pushes a refrigerator across the floor 12m using 480N of force ?

Which of the following is the result of the nuclear weak force? the instability of large nuclei the repelling force between positively charged protons the structure of the atom certain types of nuclear decay

Which of these is not a possible type of energy transformation? a. electrical energy into light energy b. sound energy into nuclear energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy

Wavelength of 125 meters is moving at a speed of 10 m/s. what is it's frequency?