A car, whose wheels have diameter equal to 50 cm, is moving with constant velocity and travels a displacement of 15,072 m within 20 min. Find a) the cars velocity, b) the frequency of the wheels rotational motion, c) the wheels angular velocity, and d) the linear velocity of the points along the wheels circumference. What observations can you make based on the results from questions a) and d)?

answer should be a) v = 12.56 m/s, b) 8 Hz, c) 50.27 rad/s

please provide detailed steps and explanations