# Chemistry

an 83.0 kg athlete running a "4-minute mile" (i.e. 4.00 min/mile)

________nm

an electron (me = 9.10939 × 10–28 g) moving at 3.90 × 106 m/s in an electron microscope

______nm

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1. I don't understand what is the question? distance? in nautical meters? or nanometers? The second one makes no sense to me.

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2. I'd guess N-m or work (Joules)

83kg * 9.8 * 1mi * 1609m/mi = 1,308,760 N-m

I'd have guess power, since they specified 4 minutes, but that was not part of the units, as far as I could see.

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posted by Steve

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