A) Write an expression for x component B) Write an expression for the y componen

Question

A) Write an expression for x component B) Write an expression for the y component
(10%) Problem 4: I start walking. The ist leg of my trip I walk dA = 120 m at 1stsouth of east. The 2nd leg of my trip ! walk dB = 65 m at 750 north of east. On my final leg I walk dc-no matoc-55° north of west. Choose the coordinate system so that x is directed towards the east, and y is directed towards the north. × 25% Part (a) write an expression for the x component of the final displacement in terms of the given quantities. Rx =169.61 Grade Summary Deductions Potential 94 cos() | cos() | cos(0) 7 8 9 HOME Submissions cos(OA) l cos(0g) | cos@e) | ^| 4 | 5 | 6 | sin(a) sin(p)sin(0)1 2 3 (3% per attempt) detailed view sinO sin) sin() o IND Hint l give up Hints:2% deduction per hint. Hints remaining: 3 Feedback:8 -25% Part (b) write an expression for the y component of the final displacement in terms of the given quantities.

Explanation / Answer

a) Rx = da*cos@a + db * cos@b - dc*cos@c ....Ans

b) Ry = - da*sin@a + db*sin@b + dc*sin@c ..Ans

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