Chapter 1, Problem 1.54PP

One measure of a baseball pitcher's performance is earned run average or ERA. It is the average number of earned runs allowed if all the innings pitched were converted to equivalent nine-inning games Therefore, the units for ERA are runs per game.

1.54 A line of fluid power cylinders has a range of diameters in $1.00$ -in increments from $1.00$ to $8.00$ in. Compute the pressure required by each cylinder if it must exert a force of 5000 lb. Draw a graph of the pressure versus cylinder diameter.