【Rpta.】La rapidez de Armstrong es de 70 km/h.
[tex]{\hspace{50 pt}\above 1.2pt}\boldsymbol{\mathsf{Procedimiento}}{\hspace{50pt}\above 1.2pt}[/tex]
[tex]\mathsf{\boldsymbol{\bigcirc \kern-8pt \triangleright}\:\:\:\: v = ??}[/tex]
[tex]\mathsf{\boldsymbol{\bigcirc \kern-8pt \triangleright}\:\:\:\:d = 280\: km}[/tex]
[tex]\mathsf{\boldsymbol{\bigcirc \kern-8pt \triangleright}\:\:\:\: t = 4\: h}[/tex]
La ecuación escalar que utilizaremos para determinar la rapidez en un movimiento rectilíneo uniforme(MRU) es:
[tex]\boxed{\boldsymbol{\mathsf{v=\dfrac{d}{t}}}} \hspace{35pt} \mathsf{Donde}\hspace{20pt} \overset{\displaystyle \nearrow \overset{\displaystyle \mathsf{v:rapidez}}{\vphantom{A}}}{\vphantom{\frac{a}{a}}} \kern-55pt\rightarrow\mathsf{d:distancia}\kern-66pt\underset{\displaystyle\searrow \underset{\displaystyle \mathsf{t:tiempo}}{}}{}[/tex]
[tex]\mathsf{\:\:\:\:\:v = \dfrac{\mathsf{280\:km}}{\mathsf{4\:h}}}\\\\\\[/tex]
[tex]\mathsf{280\:\:|\underline{\:4\:}}\\\mathsf{\underline{280}\hspace{8pt}70}\\\mathsf{\overset{\overset{---}{}}{}}[/tex]
[tex]\mathsf{\boxed{\boxed{\boldsymbol{\mathsf{v = 70\:km/h}}}}}[/tex]
La rapidez de Armstrong es de 70 km/h.
✠ Tareas similares
➫ https://brainly.lat/tarea/19397837
➫ https://brainly.lat/tarea/19012248
➫ https://brainly.lat/tarea/16460446
[tex]\mathsf{\mathsf{\above 3pt \phantom{aa}\overset{\displaystyle \fbox{I\kern-3pt R}}{}\hspace{4 pt}\displaystyle \fbox{C\kern-6.5pt O}\hspace{4 pt}\overset{\displaystyle\fbox{C\kern-6.5pt G}}{} \hspace{4 pt} \displaystyle \fbox{I\kern-3pt H} \hspace{4pt}\overset{\displaystyle\fbox{I\kern-3pt E}}{} \hspace{4pt}\displaystyle \fbox{I\kern-3pt R} \phantom{aa}} \above 3pt}[/tex]
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【Rpta.】La rapidez de Armstrong es de 70 km/h.
[tex]{\hspace{50 pt}\above 1.2pt}\boldsymbol{\mathsf{Procedimiento}}{\hspace{50pt}\above 1.2pt}[/tex]
DATOS
[tex]\mathsf{\boldsymbol{\bigcirc \kern-8pt \triangleright}\:\:\:\: v = ??}[/tex]
[tex]\mathsf{\boldsymbol{\bigcirc \kern-8pt \triangleright}\:\:\:\:d = 280\: km}[/tex]
[tex]\mathsf{\boldsymbol{\bigcirc \kern-8pt \triangleright}\:\:\:\: t = 4\: h}[/tex]
FÓRMULA
La ecuación escalar que utilizaremos para determinar la rapidez en un movimiento rectilíneo uniforme(MRU) es:
[tex]\boxed{\boldsymbol{\mathsf{v=\dfrac{d}{t}}}} \hspace{35pt} \mathsf{Donde}\hspace{20pt} \overset{\displaystyle \nearrow \overset{\displaystyle \mathsf{v:rapidez}}{\vphantom{A}}}{\vphantom{\frac{a}{a}}} \kern-55pt\rightarrow\mathsf{d:distancia}\kern-66pt\underset{\displaystyle\searrow \underset{\displaystyle \mathsf{t:tiempo}}{}}{}[/tex]
SUSTITUCIÓN
[tex]\mathsf{\:\:\:\:\:v = \dfrac{\mathsf{280\:km}}{\mathsf{4\:h}}}\\\\\\[/tex]
OPERACIONES
[tex]\mathsf{280\:\:|\underline{\:4\:}}\\\mathsf{\underline{280}\hspace{8pt}70}\\\mathsf{\overset{\overset{---}{}}{}}[/tex]
[tex]\mathsf{\boxed{\boxed{\boldsymbol{\mathsf{v = 70\:km/h}}}}}[/tex]
RESULTADO
La rapidez de Armstrong es de 70 km/h.
✠ Tareas similares
➫ https://brainly.lat/tarea/19397837
➫ https://brainly.lat/tarea/19012248
➫ https://brainly.lat/tarea/16460446
[tex]\mathsf{\mathsf{\above 3pt \phantom{aa}\overset{\displaystyle \fbox{I\kern-3pt R}}{}\hspace{4 pt}\displaystyle \fbox{C\kern-6.5pt O}\hspace{4 pt}\overset{\displaystyle\fbox{C\kern-6.5pt G}}{} \hspace{4 pt} \displaystyle \fbox{I\kern-3pt H} \hspace{4pt}\overset{\displaystyle\fbox{I\kern-3pt E}}{} \hspace{4pt}\displaystyle \fbox{I\kern-3pt R} \phantom{aa}} \above 3pt}[/tex]