Recent content by BioGuy

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    Rotation rate of hour hand on clock?

    there are 720 minutes in 12 hours.. you invert(recipricol) of xmin/rev to get revolutions/min im still a little lost... :-/ how can we disprove some choices?
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    Rotation rate of hour hand on clock?

    What is the rotation rate in revolutions per minute of the hour hand of a clock? a.) 1/(12x60) b.) 1/24 c.) 1/(24x60) d.) none of these I am not too sure how to answer this, i want to say its (a.) because it makes the most sense... ??any suggestions??
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    Understanding Center of Mass: Common Misconceptions Explained

    so I am not too sure how to answer a question... ill word it the best i can: While doing an experiment where we use a Plumb Line and paper object and find the center of mass by letting the string (with mass attached to other end) hand and draw lines that eventually intersect at on specific...
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    Calculating Energy at Niagara Falls

    i can't really find any information relating to physics terms about niagara falls.. and then to turn that into watts? to figure out energy? My professors crazy...
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    Calculating Energy at Niagara Falls

    I have a question... is there any way to figure out the amount of energy going over the Niagara Falls in 1sec. ? I know the dimensions but don't know what formula to use.. height: 167ft Deepest depth: 41ft Fastest Speed: 68mph (2-3ft per sec.) 375,000gal per/sec please help...
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