December 2018 1 41 Report
Sebatang perunggu bersuhu 127 derajat celcius meradiasikan kalor dengan laju 20 W. Jika suhunya dinaikkan 227 derajat celcius,maka laju radiasi kalor
adalah...
a. 2R
b. 30 W
c.49 W
d.100 w
e, 200 W
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