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In constructing a large mobile, an artist hangs an aluminum sphere of mass 5.1 kg from...

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Physics

In constructing a large mobile, an artist hangs an aluminumsphere of mass 5.1 kg from a vertical steel wire 0.51 m long and2.4×10−3 cm2 in cross-sectional area. On the bottom of the spherehe attaches a similar steel wire, from which he hangs a brass cubeof mass 11.3 kg .

A-

Compute the tensile strain for the top wire.

Express your answer using two significant figures.

B-

Compute the tensile strain for the bottom wire.

Express your answer using two significant figures.

C-

Compute the elongation strain for the top wire.

Express your answer using two significant figures.

D-Compute the elongation strain for the bottom wire.

Answer & Explanation Solved by verified expert
3.8 Ratings (699 Votes)
I am assuming that steel wire is massless A Taking both sphere and cube including bottom wire as system top wire is balancing both the weights So    See Answer
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