Author Question: A copper wire is found to break when subjected to minimum tension of 36. N. If the wire diameter ... (Read 117 times)

bobbie · **on:** Jul 27, 2018

A copper wire is found to break when subjected to minimum tension of 36. N. If the wire diameter were half as great, we would expect the wire to break when subjected to a minimum tension of

A) 36. N
B) 26. N
C) 18 N
D) 9.0 N
E) 51. N

Question 2

Although fossils can be made in numerous ways, only a tiny fraction of living organisms leave behind any kind of fossil remnant because

A) most minerals that replace organic material are soluble in water and so dissolve away
B) the vast majority of dead organisms decay long before any mineral replacement can occur
C) the organic material is destroyed by radioactivity
D) they are destroyed by geological processes before mineral replacement can occur