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OpenStudy (anonymous):
A helium-filled balloon is attached to a 120 m long string. The string is tied to a hook on the ground and it makes an angle of 30° with the ground, as shown below. What is the height of the balloon from the ground? 60 m 84.84 m 120 m 103.92 m
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OpenStudy (anonymous):
OpenStudy (anonymous):
@jim_thompson5910 @chemENGINEER
OpenStudy (anonymous):
you love trig huh!
OpenStudy (anonymous):
oh yeahhhhh
OpenStudy (anonymous):
again i would use the fact that sin(30)=L/120..... so this means that L=120sin30 which means it is 60m long....
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OpenStudy (anonymous):
thank you
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