A single crystal of copper yields under a shear stress of about 0.62 MPa. The shear modulus of copper is approximately 7.9 x 10 psi. With this data, compute an approximate value for the ratio of the theoretical to the experimental shear stresses in copper.
What will be an ideal response?
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Al medir y cortar una placa aislante, debe marcar la junta saliente del largo de la placa y colocar el borde recto:
a. 3/16" (0,47 cm) por encima de la marca b. 3/16" (0,47 cm) a la izquierda de la marca c. 1/2" (1,27 cm) a la izquierda de la marca d. 1/2" (1,27 cm) a la derecha de la marca
Companies with more than 10 employees during a calendar year are required to keep OSHA _____.
a. incident data reports b. violation regulations and procedures c. illness and injury records d. cross reference guidelines
The three easily accessible reference points for ____________________-measuring instruments are ice, body temperature, boiling water.
Fill in the blank(s) with the appropriate word(s).
How much of the world's area is occupied by cultivated cropland and managed pastures?
a. 10 percent c. 30 percent b. 20 percent d. 40 percent