問題:** 地球物理学の学生が、初速度30 m/sで真上に投げられたボールの高度を計算しています。重力加速度に\(g = 9.8 \, \text{m/s}^2\)を使用し、頂点に到達するまでの時間をトーリの値を求めてください。


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