Q. A dog sits 1.53-m from the center of a merry-go-round with an angular speed of 1.65 rad/s. If the magnitude of the force that maintains the dog's circular motion is 38-N, what is the dog's mass?
Q. Now imagine that you are a Haitian taptap driver and want a more comfortable ride. You decide to replace the springs with new springs that can handle the typical heavy load on your vehicle. What spring constant do you want your new spring system to have?