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OpenStudy (anonymous):
Please help! Calculate the work efficiency of the following device: (Remember work is based on N•m or Joules) Input force = 50 N Input distance = 1.8 m Output force = 450 N Output distance = 18 cm
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OpenStudy (ashsmashum1290):
what do you think?
OpenStudy (ashsmashum1290):
@42cookiethere you there what answer do you think it is???
OpenStudy (anonymous):
Ummmm I don't know okay!!
OpenStudy (anonymous):
can't you just tell me?? PLEASE!
OpenStudy (ashsmashum1290):
i think it is C
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OpenStudy (anonymous):
there is no c, here I will give you the options for this question
OpenStudy (anonymous):
a. 9% b. 10% c. 90% d. 20%
OpenStudy (ashsmashum1290):
90%
OpenStudy (ashsmashum1290):
okay can you give me a medal now :)
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