1- Convert to equivalent units.
Question 1: How many miles are there in 21.0 km ?
Question 2: The speed limit on most highways is 120 km/hour. Can you express this in terms of m/sec?
Question 3: In the Figure below, the radius r = 3.4 m and q = 51.20. What is the length of the arc, s, facing the angle? Express your answer in inches.