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Class Management | Help # 3 2017 Ch 3 vectors Extension Begin Date: 9/8/2017 11:

ID: 1787988 • Letter: C

Question

Class Management | Help # 3 2017 Ch 3 vectors Extension Begin Date: 9/8/2017 11:00:00 AM -- Due Date: 11/27/2017 11:59:00 PM End Date: 11/27/2017 11:59:00 PM (14%) Problem 1: Suppose you walk 16.5 m straight west and then 25 m straight north as shown in the figure. EXPERT N Assignment Status Click here for detailed view Otheexpertta.com Problem Status Partial Partial V 50% Part (a) How far are you from your starting point in meters? * 50% Part (b) What is the angle of displacement measured west of north in degrees? 0-1.52|| Grade Summary Deductions 5% Potential 95% y o n C sin() cos(0 tan) cotan() asin() acos() atan() acotan) sinh) cosh() tanh() cotanh) O Degrees O Radians 7 8 9 HOME. 4 5 6 1 2 3 END BACKSPACE DEL CLEAR Submissions Attempts reintaining: 5 (1% per attenipt) detailed view 1% N m + Submit Hint Feedback I give up! Feedback: 0% deduction per feedback. Hints: 0% deduction per hint. Hints remaining 2 All content. A 2017 Expert TA, LLC

Explanation / Answer

part(a)

R = A + B

A = -16.5 i

B = 25 j

R = -16.5 i + 25 j

magnitude of R = sqrt(16.5^2+25^2) = 30 m


part(b)


from the figure

tantheta = A/B

tantheta = 16.5/25

theta = arctan(0.66)

theta = 33.42 degrees <<<<------ANSWER