The formula $$ s=u t+\frac{a t^{2}}{2} $$ is used in physics. Poppy is asked to find the value of $$ u $$, if $$ s=33, t=3 $$ and $$ a=4 $$. What equation should she solve? $$ \begin{array}{ll} ext { A. } 3 u+72=33 & ext { B. } 3 u+18=33 \ ext { C. } 3 u+33=72 & ext { D. } 3 u+33=18\end{array} $$

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The formula $$ s=u t+\frac{a t^{2}}{2} $$ is used in physics. Poppy is asked to find the value of $$ u $$, if $$ s=33, t=3 $$ and $$ a=4 $$. What equation should she solve? $$ \begin{array}{ll}	ext { A. } 3 u+72=33 & 	ext { B. } 3 u+18=33 \ 	ext { C. } 3 u+33=72 & 	ext { D. } 3 u+33=18\end{array} $$

UpStudy AI · Accepted Answer

To solve for u, substitute the given values into the equation:

s = u t + (a t²)/2  
  33 = u × 3 + (4 × 3²)/2

Calculate 3² and simplify:

33 = 3u + (4 × 9)/2  
  33 = 3u + 36/2  
  33 = 3u + 18

Thus, the equation Poppy should solve is: 3u + 18 = 33, which is option B.
Poppy should solve the equation $$ 3u + 18 = 33 $$.

The formula is used in physics.
Poppy is asked to find the value of , if and .
What equation should she solve?

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The formula is used in physics. Poppy is asked to find the value of , if and . What equation should she solve?