Opposing shearing forces of 3000 N are applied to the 4.00-cm 5.00-cm faces of a metal block measuring 3.00 cm 4.00 cm 5.00 cm. By what amount does the block become slanted? The shear modulus for this metal is 8.10 1010 N/m2.
A) 5.56 10-7 m
B) 9.88 10-7 m
C) 6.98 10-6 m
D) 1.54 10-6 m
E) 3.08 10-6 m
Question 2
A sound of 40 decibels is
A) four times as intense as a sound of 20 decibels.
B) twice as intense as a sound of 20 decibels.
C) 1000 times as intense as a sound of 20 decibels.
D) 100 times as intense as a sound of 20 decibels.
E) 10 times as intense as a sound of 20 decibels.
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