I understand what they are asking me in these problem but I dont know how plug these numbers in the equations. If you could help me it would be wonderful thanks. Fc if spun on a 2.5m string at 6 radians every 10 seconds? An arrow is shot at 20 m/s at an angle from the horizontal of 37 degree.what its maximum height? time in the air?Horitzontal range tangential velociy if rotational frequency=0.75 Hz with a readius of 4.0m Angular accerlation if change from 10rad/pie to stopped in 3.0 seconds?