problem05_64

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

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5.64: a) N 10 1.3 dynes 13 ) s cm 980 )( g 10 210 )( 5 . 62 ( 5 . 62 ) 5 . 62 ( 4 2 6 - - × = = × = = = = mg g m ma F This force is 62.5 times the flea’s weight. b) N 10 2.9 dynes 29 140 ) 140 ( 4 max max - × = = = = = mg g m ma F Occurs at approximately 1.2 ms. c) = = - = - = v v v v v 0 0 area under a - t graph. Approximate area as shown:
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Unformatted text preview: s m 2 . 1 s cm 120 g) ms)(140 05 . ( 2 1 g) ms)(62.5 (1.2 g) ms)(77.5 2 . 1 ( 2 1 ) 3 ( ) 2 ( ) 1 ( = = + + = + + = A A A A...
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