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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
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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.

laugh  !

 May 3, 2022

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