In the Swing A rope swing is hung from a tree right at the edge of a small creek....

In the Swing

A rope swing is hung from a tree right at the edge of a small creek. The rope is 5.0 m long; the creek is 3.0 m wide.

Now you switch places with your friend, who has twice your mass. You give your friend a gentle push so that he swings out over the creek. How long will it be until he swings back to where he started?

A. 4.5 s

B. 3.4 s

C. 2.2 s

D. 1.1 s