What should be the starting thickness of the metal
The tensile strength of a copper sheet increases to 45 Ksi by 25% cold work. We want to produce a 0.040" thick sheet of this copper material by cold rolling. What should be the starting thickness of the metal?
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We want to produce a 0.040" thick sheet of this copper material by cold rolling. What should be the starting thickness of the metal?
A high school math teacher gave her 30 students a math exam. In this exam, the average scores for the high school students in the United States is 48.00. If she sets the significant level as 0.05, and she wants to know if her students' performance
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