A shear force of 400 N is applied to one face of an aluminum cube ...

[luvbio]

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

Question 2

The division of the geological history of the Earth into sets of distinct intervals is referred to as the geological
 
  A) time scale
  B) record
  C) spectrum
  D) ladder

[ryansturges]

Answer to Question 1

D

Answer to Question 2

A

[luvbio]

Thanks for the timely response, appreciate it

[Laurenleakan]

Great answer, keep it coming