A shear force of 400 N is applied to one face of an aluminum cube with sides of 30 cm. What is the resulting relative displacement? (The shear modulus for aluminum is 2.5 × 1010 N/m2 )
A)
1.9 × 10-8 m
B)
2.6 × 10-8 m
C)
4.4 × 10-8 m
D)
5.3 × 10-8 m
E)
8.2 × 10-8 m
D
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Fill in the blank(s) with correct word
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A) an interstellar cloud that will ultimately give birth to thousands of star systems B) an interstellar cloud that probably looks almost identical to the way the solar nebula looked about 4.5 billion years ago C) stars viewed through the atmosphere of Venus D) a galaxy much like our Milky Way Galaxy
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A. C B. F
At what frequency will a 12-?F capacitor have a reactance XC = 300 ??
A. 44 Hz B. 88 Hz C. 180 Hz D. 350 Hz E. 280 Hz