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Unformatted text preview: = (2.3, 1.9) 5. Vector v is 5 at 60 o and vector w is 4 at 100 o . Find the resultant r, as a. The sum of two components b. A magnitude and direction. a) (5cos60 o ) G i + (5sin60 o ) G j + (4cos100 o ) G i + (4sin100 o ) G j = (2.5 + .6945) G i + (4.330 + 3.939) G j = 1.81 G i + 8.27 G j b) magnitude is 8.5 and direction is tan . . F H G I K J 1 8 27 181 78 o 6. A baseball is thrown with an initial velocity of 75 feet per second at an angle of 40 o . Find the horizontal and vertical components of velocity. horizontal 58 ft/sec, vertical 48 ft./sec 7. A force f of 10 newtons acts at an angle of 130 o with the positive xaxis. Find f in component form. 10sin130 o = 7.66 and 10cos130 o = 6.43 so the component form is (6.43, 7.66)...
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 Fall '08
 GERMAN
 Calculus, PreCalculus, Algebra, Vectors

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