Cevaplar

2012-12-04T15:55:25+02:00

8000 j eder 2000 cal çünkü 2000/4=50 eder 1cal=4

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2012-12-04T16:02:40+02:00

1 cal=4 joule'dir 

200 / 4 = 50 joule eder

 

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