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Instructions: On occasion, the notation 
will be a shorthand notation for 
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Exhibit 3-1
The three forces shown act on a particle.
Use this exhibit to answer the following question(s).
Refer to Exhibit 3-1. What is the direction of the resultant of these three forces?
A. 35°
B. 45°
C. 65°
D. 55°
E. 85°
Answer: A
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The process of formation of the Solar System
a) involved the Sun forming from the collapse of a large planet. b) began about 10 million years ago. c) led to the formation of the most massive planets closest to the Sun and the least massivefarthest away. d) involved a spinning cloud of gas that remained spherical until after the planets andSun formed. e) took only a small fraction of the age of the Solar System.
Identify a true statement about carbonaceous chondrites
A) They contain significant amounts of helium. B) They contain abundant volatile compounds. C) They have been heated many times since their formation. D) They are the most-altered remains of the solar nebula.
Intensity of Sound: If the intensity level by 15 identical engines in a garage is 100 dB, what is the intensity level generated by each one of these engines?
A. 67 dB B. 13 dB C. 44 dB D. 88 dB
An electron has a rest energy of 0.511 MeV. At what speed would its kinetic energy equal 1.022 MeV?
A. 0.866 c B. 0.942 c C. 0.888 c D. 0.971 c E. 0.500 c