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
Please type your __subject__ in the **School Subject** box. Any other words, __including obscure abbreviations__, are likely to delay responses from a teacher who knows that subject well.

- 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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