Posted by Anonymous on Thursday, October 21, 2010 at 6:23pm.
a hopper jumps straight up to a height of 0.45m. with what velocity will it return to the table?

Math? Science??  Writeacher, Thursday, October 21, 2010 at 8:02pm
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9th grade  simple, Thursday, October 21, 2010 at 9:04pm
.45 times 9.8 meters/seconds squared (which is free fall gravity rate)
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