Class I Help 19-1.10 Begin Date: (20%) Problem 7: Suppose you walk 10.5 m in a d
ID: 1574036 • Letter: C
Question
Class I Help 19-1.10 Begin Date: (20%) Problem 7: Suppose you walk 10.5 m in a direction exactly IS. south of west then you walk 22 m, in a direction exactly 37. west of north. t Status re for view 50% Part (a) How far are you from your starting point, in meters? Grade Summary Deductions 10% Petential R= 90% Status Completed Completed Completed Completed Completed 4 5 6 Attempts remaining: 8 (3% per attemp cotan)asin0 acos0 atano acotan0sinhO coshO tanhO cotanhO 5% Degrees O Radians Feodback 1give upt Feedback: for a 0% deduction Submit Hint Partial CompletedHs 2 deduction per hist. Hints remaining: The magnitude of displacement is not equal to the simple sum of two displacements. Apply rules of operations wich vectors. ii 50% Part (b) what is the angle of the compass direction of a line connecting your starting point to your final position measured North of West in degrees?Explanation / Answer
dx = 10.5 cos15° + 22 cos37° = 27.71 m
dy = -10.5 sin15° + 22 sin37° = 10.52 m
d = dx^2+dy^2 = 29.64 m
angle = arccos(27.71/29.64) = 20.79° North of West
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