We want to know, as you can tell-- our concern is where does the car hit the ground?
我们想知道,你们也能算出来,车将在哪一点落到地面
For example, if t* is the time you hit the ground, then t* satisfies the equation h - 1/2 g ^2 = 0.
例如,如果在 t* 时刻落地,那 t* 就满足等式 h - 1/2 g ? ^2 = 0
应用推荐