problem20_52

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

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20.52: a) ( 29 h. L 89 . 9 gal 1 L 788 . 3 km 1.609 mi 1 mi 25 gal 1 h km 105 = b) From Eq. (20.6), %. 5 . 57 575 . 0 ) 5 . 8 ( 1 1 40 . 0 1 = = - = - = - - γ r e c) ( 29 ( 29 ( 29 hp. 72.1 W 10 38 . 5 575 . 0 kg J 10 60 . 4 L kg 740 . 0 hr s 3600 h L 89 . 9 4 7 = × = ×
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Unformatted text preview: d) Repeating the calculation gives hp, 19 W 10 4 . 1 4 = × about 8% of the maximum power....
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