Some advantages would be that it's easy to understand and imagine. However, it misinforms the child for the fact that the planets actually conscribe ellipses around the sun.
Hey which type of wave are u talking about a sound wave a electromagnetic one ?
Answer:
There is a net force towards the center of the circle that causes the yo-yo to seek the center.
Circular Motion Qualities:
-Constant speed
-Accelerating
-Velocity is changing constantly.
Centripetal acceleration perpendicular to the motion causes the object to change direction
a_c=v^2/r
Tangential acceleration in the direction of the motion causes and increase or decrease in speed.
The answer of the problem is 56