jadenvictor775
28.01.2020 •
Mathematics
It takes about 45 minutes to grade a student's paper. how long, in hours, does it take to grade papers for a class of 33?
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Ответ:
45
33
×---
135
1350
1485 - Turn 1485 into hours
Ответ:
45
33
×---
135
1350
1485 - Turn 1485 into hours
Ответ:
2
Step-by-step explanation:
The best mechanical advantage you can get is obtained by pushing the door at its edge. If the door's center of mass is halfway from the hinge to the edge, then the advantage you get (in terms of force reduction) is ...
1/(1/2) = 2