Question

算线速度向心加速度时a=w2r,v=wr,w的单位是用弧度制的?

Answer 1

= 3000 m. v = 150 m/s. 则

w = v/r = 150/3000 = 1/20 rad/s

a = r*w^2 = 3000*(1/20)^2 = 15/2 m/s^2