Speedboat A negotiates a curve whose radius is 100 m. Speedboat B negotiates a curve whose radius is 221 m. Each boat experiences the same centripetal acceleration. What is the ratio vA/vB of the speeds of the boats?

Answer 1

v1^2/r1 = v2^2/r2

v1^2/v2^2 = r1/r2

v1/v2 = sqrt (r1/r2)