Compute the absolute and relative errors in using x to approximate x.

x=pi; c=3.18

2 answers

3.18-π = 0.0384
0.0384/π = .0122 = 1.22%
A light in a lighthouse 5 kilometers offshore from a straight shoreline is rotating at 4 revolutions per minute. How fast is the beam moving along the shoreline when it passes the point 5 kilometers from the point opposite the​ lighthouse?