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lianna [129]
3 years ago
15

Could you please help me I don’t really understand this pleaseeeeeee?

Mathematics
1 answer:
likoan [24]3 years ago
7 0
B has to be 70° and A has to be 115° so I’m confused by your options
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The period 7 (in seconds) of a pendulum is given by T = 2pi√( L divided by 32) where L stands for the length (in feet) of the pe
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So now we will substitute the values of T and π into the equation.

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12.56 = 6.28 \sqrt{ \frac{l}{32} }

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l = 4 \times 32 \\ l = 128 \: feets

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