Answer to Question #128254 in Classical Mechanics for Hassam

Question

A DVD is rotating with an ever-

increasing speed. How do the

centripetal acceleration (arad) and

tangential acceleration (atan)

compare at points P and Q?

A. P and Q have the same arad

and atan.

B. Q has a greater arad and a

greater atan than P.

C. Q has a smaller arad and a greater atan than P.

D. P and Q have the same arad, but Q has a greater atan than P.

Answer 1

Answer B Q has a greater arad and a greater atan than P.