How do I solve number 5? Answer hing in radians

Angular velocity is the speed at which an object travels in terms of radians or degrees, not any unit of length.One full revolution around the sun: 2*pi radians, 365 days2*pi/365 = 0.0172 rad/day1 day = 86400 seconds, so to convert from rad/day to rad/s, simply divide by 86400.0.0172 rad/day = 1.99238 * 10^-7 rad/s