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OpenStudy (daniellelovee):
A sailboat moves north for a distance of 10.00 km when blown by a wind 30° east of south with a force of 5.00 × 104 N. How much work was done by the wind? 2.50 × 108 J 4.33 × 108 J 5.00 × 108 J 0.00 J
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OpenStudy (daniellelovee):
@satellite73
OpenStudy (rushwr):
Work done = force * displacement
OpenStudy (daniellelovee):
5e4N * 1e4m * cos30º = 4.33e8 J ?
OpenStudy (rushwr):
did u mean the answer is the 2nd one ? Yeah it is ! but what have u written there?
OpenStudy (daniellelovee):
the formula...
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OpenStudy (daniellelovee):
and thank you :)
OpenStudy (rushwr):
|dw:1455587479078:dw|
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