Jawabanmu

2014-04-07T14:47:49+07:00
Diketahui     :    
E = 4.106 N/m
                              
A = 20 cm2 = 2.10-5 m
                              
L = 5 m

Dit          :             
k = ...?

Jawab   :              
k = E.A/L                                               
K = 4.106. 2.10-5/5
                                               
K = 16.102
= 1600 N/m

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