Mathematics
Senior High
Solved
なぜ有効数字が二桁なのかわかりません
p.110
7 毎秒発生する熱量を Q[J] とすると.
(0X0
Q = 5.0g ×4.6×10J/g=2.3×10° J
よって、熱効率eは,
6.9×10* J
2.3×10 J
=0.30
0.30
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