Meteorology Flashcards

Suppose you were to drop a $14 \mathrm{lb}$ bowling ball from the top of the Empire State Building, which is about $440 \mathrm{~m}$ tall, onto a machine that would catch it and then convert its kinetic energy into electrical energy. For how long could the resulting energy light a $100 \mathrm{~W}$ light bulb? ls, is it actually possible to convert mechanical energy to electrical energy with $100$ % efficiency

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biology

of Homo habilis that with those of sapi Homo erectus. in A the Genus Homo g to Homo sapiens, the | gav surviving species of the des . hare nf this genus i

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