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Q. 48

Expert-verified
Found in: Page 528

### Precalculus Enhanced with Graphing Utilities

Book edition 6th
Author(s) Sullivan
Pages 1200 pages
ISBN 9780321795465

# Crankshafts on Cars On a certain automobile, the crankshaft is 3 inches long and the connecting rod is 9 inches long (see the figure). At the time when $\angle$OPQ is 15°, howfar is the piston (P) from the center (O) of the crankshaft?

The distance from the centre of the crankshaft to the piston is 6.8 inches long.

See the step by step solution

## Step 1. Given Information

A crankshaft is 3 inches long and the rod that connects it to the piston is 9 inches long.

Find the distance from the centre of the crankshaft to the piston OP when the angle between the rod and OP is $\angle OPQ={15}^{\circ }$