jcisn650 jcisn650

20-09-2018
Biology

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an experiment is conducted to determine how the arm lengthof a pendulum afffects its period the experimental design calls for varying the length of the arm and the mass of the bob which is true about this experiment based on good experimental design

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awesomeizzy123 awesomeizzy123

20-09-2018

"determine how the arm length of a pendulum affects its period. "

So then only vary the arm length.

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tyler6637 tyler6637

20-09-2018

Only the arm length should be changed. The mass should remain the same

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