Thirty-five soccer players were challenged to do as many sit-ups possible in two minutes. Here are the scores. 37 48 29 50 13 34 47 29 40 16 27 45 25 38 18 28 33 20 35 14 23 15 18 33 38 50 11 16 25 40 44 12 13 20 14 use data frequency distribution

Awind turbine is rotating counterclockwise at 0.5 rev/s and slows to a stop in 10 s. its blades are 20 m in length. (a) what is the angular acceleration of the turbine? (b) what is the centripetal acceleration of the tip of the blades at t=0s? (c) what is the magnitude and direction of the total linear acceleration of the tip of the blades at t=0s?