FisicaNET

PROBLEMAS RESOLVIDOS /

CINEMÁTICA / EQUAÇÕES




\( \text{MRU} \)

$$ \begin{align} \text{v}_{\text{m}} &=\frac {\unicode[Garamond]{x2206}\text{x}} {\unicode[Garamond]{x2206}\text{t}} \\ \unicode[Garamond]{x2206}\text{t} &= \frac { \text{v}_{\text{m}} } { \unicode[Garamond]{x2206}\text{x} } \\ \unicode[Garamond]{x2206}\text{x}& =\text{v}_{\text{m}}\unicode[Garamond]{x2206}\text{t}\\ \text{x} &= \text{x}_{\text{o}} + \text{v}.\unicode[Garamond]{x2206}\text{t} \\ \end{align} $$

$$ \bbox[5px,border:2px solid yellow] { \begin{align} \ce{ \pu{72 km//h} $$&$$->T[÷ 3,6 ] \pu{20 m//s} } \\ \ce{ \pu{20 m//s} $$&$$->T[$\times$ 3,6 ] \pu{72 km//h} } \\ \end{align} } $$

\( \text{MRUV} \)

$$ \bbox[5px,border:2px solid yellow] { \begin{align} \text{a} &=\frac {\unicode[Garamond]{x2206}\text{v}} {\unicode[Garamond]{x2206}\text{t}} \\ \text{v} &= \text{v}_{\text{o}} + \text{a}\unicode[Garamond]{x2206}\text{t} \\ \text{se } \text{t}_{\text{o}}&=0\\ \text{v} &= \text{v}_{\text{o}} + \text{a}\text{t} \\ \end{align} } $$
$$ \begin{align} \unicode[Garamond]{x2206}\text{x}& =\text{v}_{\text{o}}\unicode[Garamond]{x2206}\text{t} + \frac {1}{2}\text{a}\unicode[Garamond]{x2206}\text{t}^2\\ \text{se } \text{t}_{\text{o}}&=0:\\ \unicode[Garamond]{x2206}\text{x}& =\text{v}_{\text{o}}\text{t} + \frac {1}{2}\text{a}\text{t}^2\\ \text{x}& = \text{x}_{\text{o}} + \text{v}_{\text{o}}\text{t} + \frac {1}{2}\text{a}\text{t}^2\\ \text{se } \text{x}_{\text{o}}&=0:\\ \text{x}& = \text{v}_{\text{o}}\text{t} + \frac {1}{2}\text{a}\text{t}^2\\ \end{align} $$









VELOCIDADE RELATIVA $$ \begin{align} \unicode[Garamond]{x2206}\text{x}& =\text{v}_{\text{R}}\unicode[Garamond]{x2206}\text{t}\\ \end{align} $$ $$ \begin{align} \text{Mesma direção e sentido oposto}\\ |\text{v}_{R}|= |\unicode[Garamond]{x2206}\text{v}| = |\text{v}_{maior} |+ |\text{v}_{menor}| \\ \text{Mesma direção e mesmo sentido}\\ |\text{v}_{R}|= |\unicode[Garamond]{x2206}\text{v}| = |\text{v}_{maior} |- |\text{v}_{menor}| \\ \end{align} $$ $$ \begin{align} \unicode[Garamond]{x2206}\text{x}_{1} &=\text{v}_{\text{1}}\unicode[Garamond]{x2206}\text{t}\\ \unicode[Garamond]{x2206}\text{x}_{2} &=\text{v}_{\text{2}}\unicode[Garamond]{x2206}\text{t}\\ \end{align} $$

UNICODE

$$ \begin{align} \unicode[Garamond]{x0001}\\ \unicode[Garamond]{x0002}\\ \unicode[Garamond]{x0003}\\ \unicode[Garamond]{x0004}\\ \unicode[Garamond]{x0005}\\ \unicode[Garamond]{x2201}\\ \unicode[Garamond]{x2202}\\ \unicode[Garamond]{x2203}\\ \unicode[Garamond]{x2204}\\ \unicode[Garamond]{x2205}\\ \unicode[Garamond]{x2206}\\ \unicode[Garamond]{x2207}\\ \unicode[Garamond]{x2208}\\ \unicode[Garamond]{x2209}\\ \unicode[Garamond]{x2210}\\ \unicode[Garamond]{x2220}\\ \unicode[Garamond]{x2230}\\ \end{align} $$