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Gnoma [55]
3 years ago
12

Descriptive investigations involve collecting data about a system, but not making observations .

Physics
2 answers:
MissTica3 years ago
8 0

Answer:

Descriptive investigations involve collecting data about a system, but not making observations <u>comparisons.</u>

Angelina_Jolie [31]3 years ago
4 0
The correct statement should be: Descriptive investigations involve collecting data about a system, but not making comparisons. 
so i believe the statement above is false

In descriptive investigations, we shall not make any hypothesis for the situation and we just need to fully record all obeservations.
By doing this, we could fully analyze the variables without comparing and manipulating it.

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The characteristics of standing waves allows to find the result for the speed of the wave is:

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The wave is a way of transmitting energy without mass displacement, , in the attachment we can see a diagram of the standing wave.

Each cycle corresponds to half a wavelength,  they indicate that the frequency is 2.50 Hz and there are three cycles, so the wavelength is:

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In conclusion, using the characteristics of standing waves we can find the result for the speed of the wave is:

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