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Unformatted text preview: y direction Suppose it takes the swimmer a time to cross the river and arrive at B. Find an expression for the time by considering only (the y component of the swimmer's motion with respect to the shore). Answer in terms of , , and . ANSWER: = Answer not displayed Part A.2 Use the motion in the x direction Part not displayed Part A.3 Solve for Part not displayed Express the swimmer's speed numerically, to three significant figures, in units of kilometers per hour. ANSWER: = 4.04 Another way to do this problem, without using any kinematics, would be to add the swimmer's and river's velocities vectorially, and set the angle that this vector makes with AC or the river bank equal to that which AB makes with the same. Summary 2 of 2 items complete (100.38% avg. score) 2.01 of 2 points...
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 Spring '08
 UZER
 Physics

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