Tensile Stress and Strain: The graph in the figure shows the tensile stress as a function of the tensile strain in a certain wire. What does the slope of this graph give us for this wire?
A. the pressure in the wire
B. Young's modulus for the material of the wire
C. the tensile stress in the wire
D. the tension in the wire
E. the percent change in the length of the wire
Answer: B
You might also like to view...
Which of the following was the most perfect region according to Aristotle's philosophy?
A) The center of the Sun B) The heavens C) Earth's surface D) Earth's center
From a particular location on Earth, why can we see many more total eclipses of the Moon than total eclipses of the Sun?
A) the line-up of the Earth, Moon, and Sun needed for a lunar eclipse happens many, many times more often than the line-up needed for a solar eclipse B) the Moon is much bigger in the sky than the Sun C) the Moon is always in the same place in our sky, while the Sun moves around the sky D) a total lunar eclipse is visible over a much larger part of the Earth's surface than a total solar eclipse E) you can't fool me, we always see exactly the same number of total lunar and total solar eclipses from any one location on Earth
The density of a submarine cruising beneath the ocean surface has the same density as
A) a crab. B) iron. C) a floating submarine. D) ocean water. E) none of the above
An isotope of Tc having a half-life of 6.0 h is used in bone scans. If a certain amount of this Tc is injected into the body, how long does it take for its initial decay rate to decrease BY 99%?
A) 0.060 h B) 3.3 h C) 33 h D) 40 h E) slightly more than a month