Question

A student reading his physics book on a lake dock notices that the distance between two incoming wave crests is about 2.4 m and he then measures the time of arrival between wave crests to be 1.6 seconds. What is the approximate speed of the waves?​

Answer 1

Answer:

v=2.4/1.6=1.5 m/s

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Answer 2

The approximate speed of the waves when the distance and the time is given so it should be 1.5 m/s.

Calculation of the speed of the waves:

Since the distance between two incoming wave crests is about 2.4 m and he then measures the time of arrival between wave crests to be 1.6 seconds.

So here the speed be like

$= 2.4 \div 1.6$

= 1.5 m/s

Hence, The approximate speed of the waves when the distance and the time is given so it should be 1.5 m/s.

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