Cheryl is riding on the edge of a merry-go-round, 2m from the center, which is rotating with an increasing angular speed. Cheryl’s tangential acceleration is 3.0m/s2. At the instant that Cheryl’s linear speed is 4.0m/s, what is Cheryl’s total acceleration?

Question

Express your answer to two significant figures with the appropriate units.

Answer 1

23

Answer 2

8.5 m/s^2