problem01_72

problem01_72 - a km 189 km 7 185 km 3 34 2 2 = b The...

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1.72: The eastward displacement of Manhattan from Lincoln is ( 29 ( 29 ( 29 km 3 . 34 235 sin km 166 167 sin km 106 85 sin km 147 = + + and the northward displacement is ( 29 ( 29 ( 29 km 7 . 185 235 cos km 166 167 cos km 106 85 cos km 147 - = + + (A negative northward displacement is a southward displacement, as indicated in Fig. (1.33). Extra figures have been kept in the intermediate calculations.)
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Unformatted text preview: a) km 189 ) km 7 . 185 ( ) km 3 . 34 ( 2 2 = + b) The direction from Lincoln to Manhattan, relative to the north, is arctan 5 . 169 km 7 . 185 km 3 . 34 = -and so the direction to fly in order to return to Lincoln is 5 . 349 180 5 . 169 + + ....
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