14. John applies various forces to a box on a desk as part of a Phys lab. If the first and second force John applies are 6.0 N due east and 6.0 N due north, what is a value of a third force John could apply to have a net force of zero? A. 4.2 N, 45° north of east B. 8.5 N, 45° south of west C. No answer is correct D. 4.2 N, 45° south of west E. 8.5 N, 45° north of east
14. John applies various forces to a box on a desk as part of a Phys lab. If the first and second force John applies are 6.0 N due east and 6.0 N due north, what is a value of a third force John could apply to have a net force of zero? A. 4.2 N, 45° north of east B. 8.5 N, 45° south of west C. No answer is correct D. 4.2 N, 45° south of west E. 8.5 N, 45° north of east
College Physics
11th Edition
ISBN:9781305952300
Author:Raymond A. Serway, Chris Vuille
Publisher:Raymond A. Serway, Chris Vuille
Chapter1: Units, Trigonometry. And Vectors
Section: Chapter Questions
Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...
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Transcribed Image Text:14. John applies various forces to a box on a desk as part of a Phys lab. If the first and
second force John applies are 6.0 N due east and 6.0 N due north, what is a value of a
third force John could apply to have a net force of zero?
А.
4.2 N, 45° north of east
В.
8.5 N, 45° south of
west
С.
No answer is correct
D.
4.2 N, 45° south of
west
Е.
8.5 N, 45° north of east
15. John is attending a football game. John sees the quarterback throw the football at an
angle of 15° above the horizon and with an initial speed of 28 m/s. If John observes
another player catch it 1.65 s later, what is the horizontal distance the ball traveled?
А.
13 m
В.
18 m
С.
correct
No answer is
D.
36 m
Е.
45 m
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