A baseball has a circumference of 9¼ in. and a weight of 5¼ ounces. At 95 mph

Question:

A baseball has a circumference of 9¼ in. and a weight of 5¼ ounces. At 95 mph determine
a. The Reynolds number
b. The drag force
c. The type of flow (see the illustration for Problem 12.7)

Data From Problem 12.7

The drag coefficient for a smooth sphere is shown below. Determine the speed at the critical Reynolds number for a 42-mm-diameter sphere in air. 0.5 0.4 0.3 CD 0.2 0.1 103 104 105 107 106 Re = Dv/v