Now, we are done because now we can ask how high does it go, and you go back to your y of 1 is 15+10-5, which is what?
现在问题解决了,因为我们可以算出,最高点的高度,你回到这个式子,求出y=15+10-5,是多少
So let me go back now to this expression, x=at^/2+c+bt.
让我们再回到这个式子,x=at^/2+c+bt
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