A rope attaches a tire to an overhanging tree limb. A girl swinging on the tire has a
centripetal acceleration of 4.0 m/s2. If the length of the rope is 3.1 m, what is the girl's
tangential speed?

Respuesta :

V^2/3.1 = 4
V = square root (12.4) = 3.5 m/s