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OpenStudy (zeesbrat3):
Josie pulls a bookcase up a ramp to load it into a truck with a force of 66 N. The force moving the bookcase vertically upwards is 23 N as shown in the diagram. What is the angle of the ramp to the ground?
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OpenStudy (zeesbrat3):
OpenStudy (anonymous):
\[\sin(\theta)=\frac{23N}{66N}\]
OpenStudy (anonymous):
Solve for theta
OpenStudy (zeesbrat3):
But I get .3484
OpenStudy (anonymous):
you are doing right but the answer you are getting is in radians form not in degrees.
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OpenStudy (anonymous):
If you are using a calculator dont forget to switch the mode into degrees.
OpenStudy (zeesbrat3):
it is in degrees..
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