Physics
Senior High
答えこれで合ってますか？
の。
斜面に平
行な方向
A
斜面に垂
直な方向
30°
40N
(2Fx:40xscn-30°
40x5
Fタ240xc0530°
40x
J3
20
20x1.73
234.6
235
Answers
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