Homework84 Problem 3.50-MC Problem 3.50 - MC Part A A plot in a small plane enco

Question

Homework84 Problem 3.50-MC Problem 3.50 - MC Part A A plot in a small plane encounters shiting winds. He flies 40.0 km at 30 north of east, then 50.0 km due north. From this point, he fies an additional distance in an unknown direction, only to find himself at a small airstrip that his map shows to be 95.0 km directly north of his starting point What was the length of the third leg of his trip? Record your answer using three significant figures. Hints C. 36.05 My Answers Give Up Incorrect: Try Again Part B This question will be shown after you complete prev 2 3 4

Explanation / Answer

The y component of the net displacement will be:

95 = 40sin30 + 50 + Ry

=> Ry = 25 km

and 0 = 40cos30 + 0 + Rx

=> Rx = - 34.641 km

so, the length of the 3rd leg of the last trip will be: R = [(25)2 + (-34.641)2] = 42.72 km.

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