Name: ______________________

Quiz 4

10/07/2008

Ch. 5

1) A 75 kg person is standing 3m from the center of a merry-go-round (i.e., a disk). The static coefficient of friction between the person’s shoes and the merry-go-round is 0.5.

a) When the merry-go-round is spinning with a period of 20s, what is the magnitude and direction of the person’s acceleration?

b) How fast can the merry-go-round spin before the person slips off? Express your answer as the minimum period.