Question

A Merry go round 4m and completes a revolution in 2 seconds . Then acceleration is

Answer 1

Answer:

R = 4m

angular frequency = f = 1rev/2s = 0.5rev/s

angular velocity = ω = 2πf = 2π×0.5 = π rad/s

angular acceleration = a = ?

a = V²/R

a = rω²

a = 4(π)²

a = 4π²

a = 39.45 m/s²