For the material in Problem 6.1:
(a) Calculate the change in radius of the specimen while subject to the stress. Assume that the deformation of this specimen is elastic and that Poisson’s ratio is equal to 0.29.
(b) Is there any significant difference between the true stress and the engineering stress calculated in Problem 6.1?
(c) Calculate the true strain for this application and compare it to the engineering strain calculated in Problem 6.1.
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Which of the following statements is true?
A. electric field lines stay inside equipotent surfaces B. equipotent surfaces intersect in straight lines C. equipotent surfaces intersect in curved lines D. electric field lines are perpendicular to equipotent surfaces E. equipotent surfaces are parallel to each other
The mass of ice that can be melted by 1 gram of 100°C steam is (Hint: Don't forget about hot water remaining from condensed steam.)
A) 0.125 gram. B) 0.148 gram. C) 6.75 grams. D) 8 grams. E) none of the above
The diagram below shows five cylinders, each cylinder rotating with constant angular velocity about its central axis. The magnitude of the tangential speed of one point of each cylinder is shown, along with each cylinder's radius and mass. Which cylinder has the largest angular momentum?
a.
b.
If the two slits in a two-slit apparatus kept the same width, but the distance between the two slits is increased, the number of interference fringes within the diffraction maximum will:
A. decrease B. increase C. may do any of the above. D. remain the same