University Physics with Modern Physics with Mastering Physics (11th Edition)

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7.10: (a) The flea leaves the ground with an upward velocity of 1.3 m/s and then is in free-fall with acceleration 2 s m 8 . 9 downward. The maximum height it reaches is therefore cm. 0 . 9 ) ( 2 ) ( 2
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Unformatted text preview: =--g v v y y The distance it travels in the first 1.25 ms can be ignored. (b) J 10 1.8 ergs 8 . 1 s) cm (130 g) 10 210 ( 2 1 2 1 7 2 6 2--× = = × = = = mv KE W...
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