**16. You are standing at an ocean beach knee-deep in the water watching the waves rolling in. From a snapshot taken by your friend, you can estimate the distance between wave crests to be 3 m and the wave amplitude to be 10 cm. As you watch the water move up and down your legs, you see that the point where the water touches your legs has traveled a total distance of 1.2 m in a time of 10 s 3 m 0.1 m a) What is the difference between the lowest point on your legs where the water hits and the highest as one wavelength rolls by? Explain b) How many wave crests arrive and pass you during those 10 s? c) What is the speed of the waves? 1

**16. You are standing at an ocean beach knee-deep in the water watching the waves rolling in. From a snapshot taken by your friend, you can estimate the distance between wave crests to be 3 m and the wave amplitude to be 10 cm. As you watch the water move up and down your legs, you see that the point where the water touches your legs has traveled a total distance of 1.2 m in a time of 10 s 3 m 0.1 m a) What is the difference between the lowest point on your legs where the water hits and the highest as one wavelength rolls by? Explain b) How many wave crests arrive and pass you during those 10 s? c) What is the speed of the waves? 1

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

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Question

**16. You are standing at an ocean beach knee-deep in the water watching the waves rolling
in. From a snapshot taken by your friend, you can estimate the distance between wave crests
to be 3 m and the wave amplitude to be 10 cm. As you watch the water move up and down
your legs, you see that the point where the water touches your legs has traveled a total distance
of 1.2 m in a time of 10 s
3 m
0.1 m
a) What is the difference between the lowest point on your legs where the water hits and
the highest as one wavelength rolls by? Explain
b) How many wave crests arrive and pass you during those 10 s?
c) What is the speed of the waves?
1

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