PROBLEMS 25 this 47. Review Multiple-Concept Example 9 before beginning this pro

Question

PROBLEMS 25 this 47. Review Multiple-Concept Example 9 before beginning this prob- lem. As an aid in visualizing the concepts in this problem, consult Concept Simulation 1.1 at www.wiley.com/college/cutnell. A foot- ball player runs the pattern given in the drawing by the three dis- placement vectors A, B, and . The magnitudes of these vectors are A = 5.00 m, B= 15.0 m, and C= 18.0 m. Using the compo- nent method, find the magnitude and direction of the resultant vector A +B +C aid in vastalizing the 90.0° 35.0 Start A+B+C 48. GO A baby elephant is stuck in a mud hole. To help pull it out,

Explanation / Answer

A + B + C = ( 5 j) + ( 15 i ) - ( 18 sin 35) j + 18 cos 35 i = 29.745 i -5.324 j

magnitude = sqroot ( 29.745^2 + 5.324^2) = 30.217 m apprx

angle = tan^-1 ( -5.324/ 29.745)= 10.147 clockwise from +x axis

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