a force of 20 Newton acting on a body disolace it by 2 m along its own Direction What is the work done by the force

What are similarities and differences between refraction, reflection, diffraction and absorption?

The slope of a velocity time graph over any interval of time gives the during that interval

Abicycle slows down when the rider applies the brakes. what type of energy transformation is involved in this example? a. kinetic energy into heat energy b. heat energy into potential energy c. potential energy into kinetic energy d. kinetic energy into mechanical energy