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OpenStudy (anonymous):
A 850-pound trailer is sitting on an exit ramp inclined at 42o on Highway 35. How much force is required to keep the trailer from rolling back down the exit ramp? Round answer to two decimal places.
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OpenStudy (anonymous):
thats 42 degrees
OpenStudy (amistre64):
|dw:1374846940517:dw|
OpenStudy (amistre64):
looks like 850 sin(42) to me
OpenStudy (anonymous):
ok thanks!
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