As Betty waits, she counts the number of waves that pass her during a 1- second period; she counts just 1. She estimates that the distance between
crests is 6 meters. Betty sees the perfect wave and begins paddling. She
pushes herself up, stands on the surfboard and rides the wave all the way
in to shore, a distance of about 60 meters. It takes her about 10 seconds
to ride the wave in. (A) Use 2 methods to calculate the speed of the wave
based on the information presented. What speeds did you calculate? (B)
Are they the same? (C) In complete sentences, explain how you got your
answers.
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