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OpenStudy (anonymous):
MEDAL GIVEN TO CORRECT ANSWER. A water skier is pulled behind a boat by a rope. The rope has a tension of 450 N and is at an angle of 21°. What is the y-component of the tension? A. 213 N B. 420 N C. 450 N D. 161 N
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OpenStudy (joannablackwelder):
I am assuming the angle is in the y-direction. If so, the tension of the rope is the hypotenuse and the y-component is opposite from the angle.
OpenStudy (joannablackwelder):
Thus, sin(21 deg)=y/450
OpenStudy (joannablackwelder):
and y=450*sin(21 deg)
OpenStudy (anonymous):
so, it's D?
OpenStudy (joannablackwelder):
Yup :)
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