Physics: Motion equation of object is [tex]x = 15 - 12t + 3 {t}^{2} [/tex]how long did it move until it stops? (i think it is projectile motion, i m not sure.)a) 5 sec b) 0,3 secc) 0,4 secd) 4 sece) 2 sec

Motion equation of object is [tex]x = 15 - 12t - id15123581910, uberagentkenny

camperjamari12

11.03.2022

Take the derivative to find the velocity of the object:

$v=\dfrac{\mathrm dx}{\mathrm dt}=-12+6t$

The object stops when v=0 :

$-12+6t=0\implies6t=12\implies t=2$

so the answer is E.

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diawia

07.01.2023

What happens is that if u put gas in a ball and placed in a hot climate it will start burning Bc u have gas inside the ball

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