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:a) Three forces F1, F2 and F; keep a point mass M in equilibrium.
If F2 = 100 N, find F1 & F;
F2
20°
mass M
b) Three forces F1 = 5 i- 8.66 j N, F2 = 3 jN and F; are acting on an 8 kg body in free space.
Find F3 in unit vector notation if the body is to maintain a constant acceleration of 1.2 m/s?
in the - j direction.
c) Two ships, A and B, leave port at the same time. Ship A travels at 25 mph west
and ship B travels south at 28 mph with both speeds relative to still water. Find
VAB, the velocity of ship A relative to B in unit vector notation.
N
L., -e
d) Convert z= 30 (km) / (hr)2 to S.I. units.
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