Given u = 144i − 17j, what are the magnitude and direction of −3u? Round to the nearest whole number. a145; 97° b145; 276° c435; 173° d435; 353° Vector v has a magnitude of 80 and a direction θ = 60°. What are the magnitude and direction of 4v? a20; 240° b80; 60° c320; 240° d320; 60°

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Given u = 144i − 17j, what are the magnitude and direction of −3u? Round to the nearest whole number.

College Physics

10th Edition

ISBN:9781285737027

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter3: Vectors And Two-Dimensional Motion

Section: Chapter Questions

Problem 4WUE: A hiker walks from (x1, y1) = (4.00 km. 3.00 km) to (x2, y2) = (3.00 km, 6.00 km), (a) What distance...

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Question

Given u = 144i − 17j, what are the magnitude and direction of −3u? Round to the nearest whole number.

a	145; 97°
b	145; 276°
c	435; 173°
d	435; 353°

Vector v has a magnitude of 80 and a direction θ = 60°. What are the magnitude and direction of 4v?

a	20; 240°
b	80; 60°
c	320; 240°
d	320; 60°

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