A steel lift column in a service station is 4.0 m long and 0.20 m in diameter. Young's modulus for steel is 20 1010 N/m2. By how much does the column shrink when a 5000-kg truck is on it?
A)
4.7 10-7 m
B)
8.0 10-7 m
C)
3.2 10-6 m
D)
7.8 10-6 m
E)
3.1 10-5 m
Question 2
Metallic bonding is caused by
A)
the sharing of electrons by all atoms.
B)
the transfer of electrons between atoms.
C)
unequal charge distributions around neutral molecules.
D)
atoms bonding to hydrogen molecules.
E)
atoms bonding to oxygen molecules.
On March 25, 1911, as scores of young factory girls leaped to their deaths from the eighth, ninth, a
After lowering the vehicle, be sure all arms of the lift are moved out of the way before driving the ...
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