Physics
Senior High
矢印の間の計算を教えて欲しいです。
(2)(a) 地面を基準面とする。 小球の速さをv[m/s]
とすると, 力学的エネルギー保存の法則から、
[] = x1.0×4.9' +1.0×98×30
2
CO=10X (01X0
==x1.0ײ+1.0×9.8×20.2
2
v=4.9°+8×4.9°=4.9°×3°
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