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# algebra

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Write a quadratic equation that has the projectile launched from ground level and then hit the ground 4 seconds later

May 2, 2022

#1
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Vertical throw up

Hello Guest!

g = 9.805m/s²;  t = 4sec; initial speed t; h = 0

$$h=v_0t-\frac{g}{2}t^2=0\\ v_0= \frac{1}{2}\ g\ t$$

$$\large v_0=\frac{g}{2}\cdot 4\ sec$$
Not a quadratic equation but valid.

!

May 3, 2022