Tensile Stress and Strain: Which of the following are SI units of Young's modulus? (There could be more than one correct choice.)
A. N/m ? s2
B. kg/m2
C. kg ? m/s2
D. kg/m ? s2
E. kg ? m2/s2
Answer: D
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A piece of aluminum with a mass of 1.0 kg and density of 2700 kg/m3 is suspended from a light cord and then completely immersed in a container of water having density 1000 kg/m3
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