Questions 1.2

zahruzuby
Flashcards by zahruzuby, updated more than 1 year ago
zahruzuby
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Flashcards on Questions 1.2, created by zahruzuby on 10/05/2013.

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Question Answer
What two measurements of a wave do you need to calculate its speed? The two measurements of a wave needed to calculate its speed is frequency and wavelength.
Suppose you are watching water waves pass under the end of a pier. How can you figure out their frequency. By counting how many waves pass a certain point in a certain amount of time.
A wave has a speed of 3 m/s and a frequency of 6 wavelengths/s. What is its wavelengths. ?
Imaging you are on a boat in the middle of the sea. You are in charge of recording the properties of passing ocean waves into a ship's logbook. What types of information could you record? How would this information be useful? Explain your answer. The different types of information you could record is the troughs and crests of waves, the frequency of the passing waves, the amplitude of the waves. This would be useful because they could then tell when a storm was coming or other dangerous hazards.
What are three properties of a wave that can be measures. The three properties that can be measured in a wave are frequency, wavelength, and amplitude.
How is amplitude related to energy? Amplitude is related to energy because the higher the energy the higher the amplitude.
How are longitudinal waves measured? Longitudinal waves wavelengths are measured by the distances between compressions.
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