A nylon bar (E 5 2.1 GPa) with diameter 12 mm, length 4.5 m, and weight 5.6 N hangs vertically under its own weight. The elongation of the bar at its free end is approximately:
(A) 0.05 mm
(B) 0.07 mm
(C) 0.11 mm
(D) 0.17 mm
(A) 0.05 mm
You might also like to view...
Which of the following persons used the ideas of quantum mechanics to describe why the spectral classification scheme is in order of decreasing temperature?
A) Annie Jump Cannon B) Williamina Fleming C) Cecilia Payne-Gaposchkin D) Henry Draper E) Edward Pickering
The magnetic field in a superconducting solenoid is 3.0 T. How much energy per unit volume is stored in the solenoid, in J/m3? m0 = 4p × 10^-7 T × A/m
One of the most important physical properties of ceramics is their high ______________temperature.
Fill in the blank(s) with the appropriate word(s).
An electron in a hydrogen atom has orbital quantum number l = 7. How many possible values of the magnetic quantum number ml could it have?
A) 15 B) 98 C) 6 D) 7 E) 33