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gerd
Questions (6)
Why are sound waves classified as mechanical waves?
A. They can travel through a vacuum. B. They require a medium. C. They are
1 answer
117 views
The picture shows four wavelengths of sound.
Which line shows the wavelength that has the most energy? A. W because it has an
1 answer
292 views
If a wave is traveling at a certain speed and the frequency is increased, what will happen to its wavelength?
A. The wavelength
1 answer
258 views
The diagram shows a flashlight that shines brightly when it is turned on.
Which BEST describes the energy transformation within
1 answer
194 views
A die has 2 red faces, 2 blue faces, and 2 green faces. It is rolled 240 times. Let R be the number of times red faces appear,
49 answers
1,011 views
Rank the three events below in increasing order of probability. For example, if you choose “A B C�, you are saying
5 answers
778 views
Answers (1)
Thank you , it's BCA indeed.
