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.
