Answer:
bobby has a greater magnitude of velocity because because when angular speed is constant linear velocity is proportional to radius of the circular path
B. They both have same magnitude of angular velocity since the angular speed of the merrygoround is constant
C. Also they both have the same tangential acceleration because the angular speed is constant and tangential is zero for both of them
D. Centripetal acceleration of Bobby is greater
E.they both have the same angular acceleration because angular Speed I constant so angular acceleration is zero for both
If the person if slowing down, then this would mean that this would actually be "negative acceleration". Sense this person first did a mile in 10 minutes, and then the next mile that this person did was actually 15 minutes, then this shows you that they actually went a lot slower. And this is why this would be a great example of "negative acceleration".
Newton's First Law: A body will remain at rest or in motion in a straight line unless acted upon by a force.
Newton's Second Law: Change in motion is proportional to the applied force and parallel to it.
Newton's Third Law: To every action there is an equal and opposite reaction.
Things that would be hard to do in orbit are.
-turning a valve
-walking around
-trying to shower
-sitting still