Question

A car is rounding an unbanked circular turn with a speed of v = 35 m/s. The radius of the turn is r = 1500 m. What is the magnitude ac of the car’s centripetal acceleration?




0.023 m/s2


0.82 m/s2


5.4 × 10-4 m/s2


1.8 × 106 m/s2