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Science-Related Homework Help Physics Topic started by: mikael on May 14, 2014



Title: A steel wire, 3.2 m long, has a diameter of 1.2 mm. The wire stretches 1.6 mm
Post by: mikael on May 14, 2014

 
A steel wire, 3.2 m long, has a diameter of 1.2 mm. The wire stretches 1.6 mm when it bears a load. Young's modulus for steel is 2.0 × 1011 Pa. The mass of the load is closest to: 
A)
 
12 kg 
B)
 
16 kg 
C)
 
20 kg 
D)
 
24 kg 
E)
 
28 kg 


Title: Re: A steel wire, 3.2 m long, has a diameter of 1.2 mm. The wire stretches 1.6 mm
Post by: padre on Jun 11, 2014
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Title: Re: A steel wire, 3.2 m long, has a diameter of 1.2 mm. The wire stretches 1.6 mm
Post by: mikael on Jun 16, 2014
Thanks a lot, really helps.