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.
A.) attract to each other
The heat of fusion must be approx from 0 to infinity
As heat enters the surface of the Earth the gas traps it and is not radiated it's absorbed.
Answer:
it transfers energy as it moves