Dog chases a cat in a circle around the base of a tree. if the velocity of the dog is 0.35 m/s and the radius of the circle is 0.75 m, what is the centripetal acceleration of the dog? 0.16 m/s2 0.47 m/s2 2.14 m/s2 6.25 m/s2

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