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- Thread starter wr1015
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Tide

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What formula do I use???

Use [tex]\vec F = m \vec a[/tex]

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Tide said:Use [tex]\vec F = m \vec a[/tex]

i did that and got 18.99 N but its being counted as wrong. There are some formulas in my book that show horizontal force as [tex]\sum\\F_{x}=F_{1},_{x}+F_{2},_{x}=F_{1}+F_{2}\cos\theta[/tex] but am not given any forces??

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Tide

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You should be able to take it from there.

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