Does anyone have this game?

Ball b is hanging from an inextensible cord. an identical ball a is released from rest when it is just touching the cord and drops through the vertical distance h a 5 8 in. before striking ball b. assuming e 5 0.9 and no friction, determine the resulting maximum vertical displacement h b of the ball b

Explain what it means to view something from a frame of reference. provide an example that illustrates your explanation. (4 points)

The ph is the a.independent variable b.the dependent variable c.control group