The tensile force divided by the original cross-sectional area of a specimen is the engineering normal _____________.
Fill in the blank(s) with the appropriate word(s).
stress
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Stars much more luminous than the Sun have
A) narrower habitable zones, decreasing the odds of finding habitable planets and lifetimes too short for life to appear B) wider habitable zones, increasing the odds of finding habitable planets but lifetimes too short for life to appear C) narrower habitable zones, decreasing the odds of finding habitable planets but much longer lifetimes allowing life to appear and evolve D) wider habitable zones, increasing the odds of finding habitable planets and much longer lifetimes allowing life to appear and evolve
Which of the following statements is false?
a. Sills are discordant rock bodies. b. Sills are formed from magma. c. Sills are tabular in shape. d. Sills consist of intrusive igneous rock.
A gun is made of a super-low-weight but strong material. The bullet for the gun is more massive than the gun itself. For such a gun
A. the gun, if unsupported, would have a recoil velocity higher than the bullet velocity. B. the bullet would go faster with less powder. C. recoil problems would be lessened. D. conservation of momentum is not satisfied.
Addition by 1. Components: Vector 
has a magnitude of 6.0 m and points 30° south of east. Vector 
has a magnitude of 4.0 m and points 30° west of south. The resultant vector 
+ 
is given by
A. 7.2 m at an angle of 64° south of east. B. 3.3 m at an angle of 64° south of east. C. 9.8 m at an angle of 26° south of east. D. 9.8 m at an angle of 64° south of east. E. 3.3 m at an angle of 26° south of east.