Acheetah is running at a speed of 21.0 m/s in a direction of 56° north of west. find the components of the cheetah's velocity along the following directions.

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

Achlorine atom has 17 protons and 18 neutrons. what is its mass number? what is its atomic number?

Which best describes what forms in nuclear fission? a. two smaller, more stable nucleib. two larger, less stable nucleic. one smaller, less stable nucleusd. one larger, more stable nucleus