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OpenStudy (anonymous):
a 40 kg wagon is towed up a hill inclined at 18.5 degress with respect to the horizontal. the tow rope is parallel to the incline and exerts a force of 140 N on the wagon. assume that the wagon starts from rest at the bottom of the hill and disregard friction, how fast is the wagon going after moving 30m up the hill?
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OpenStudy (anonymous):
whats the answer?
OpenStudy (anonymous):
wait, i'm still doing calculations
OpenStudy (anonymous):
okay thank you
OpenStudy (anonymous):
i need all the work please i really don't understand it
OpenStudy (anonymous):
ok
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OpenStudy (anonymous):
are you still there?
OpenStudy (anonymous):
yes
OpenStudy (anonymous):
ok
OpenStudy (anonymous):
draw a free body diagram first|dw:1386728842472:dw|
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