Bruce Lee's famous one-inch punch is a technique he taught many of his students. This punch is able to produce 681 N of force in a very short amount of time. Assuming Bruce Lee had rectangular fists measuring 0.0889m in length and 0.0508m in width, F how much pressure was produced by this punch?
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Upon decomposition, one sample of magnesium fluoride produced 1.65 kg of magnesium and 2.56 kg of fluorine. a second sample produced 1.32 kg of magnesium. part a how much fluorine (in grams) did the second sample produce?

Is 343 in the sequence -5, -2, 1, 4, 7

The following transition occurs at a molecular level for a substance. what transition corresponds to this change in microscopic structure? the carbon dioxide molecules on the left are in a regular, tightly packed pattern. after heating, it becomes much lower density. a. melting b. boiling c. sublimation d. freezing