(1)(2)あってますよ
(1)は98J
(2)は20×9.8×1.0×10=1960=約2.0×10³[J]
(3)は1.96×10³=200×4.2×Tを解いて、約2.3℃
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(1)(2)あってますよ
(1)は98J
(2)は20×9.8×1.0×10=1960=約2.0×10³[J]
(3)は1.96×10³=200×4.2×Tを解いて、約2.3℃
Users viewing this question
are also looking at these questions 😉