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gorjeu gorjeu
  • 13-05-2015
  • Mathematics
Answered

Solve the following equation for r2: Q = 2sL(T2-T1)/ln(r2/r1)

when: Q=1,500,000, s=30, T2=275, T1=22, L=10, r1=6.

Verified Answer :

hunaifirst hunaifirst
  • 14-05-2015

Q=2sL(T2-T1)/ (R2/R1)
1500000=23010(275-22)/(R2/6)
1500000=600(253)/(R2/6)
1500000R2=6002536
1500000R2=910800
R2=910800/1500000
R2=0.6072.

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