17 Pontos, ajuda ae pessoal, anexo aqui :)
Anexos:
![](https://pt-static.z-dn.net/files/db6/137bb52ef07336b5df6a33aa4e356f31.png)
Soluções para a tarefa
Respondido por
0
a) Progressivo
b)A origem é quando x=0 , Logo será o instante t=10s
c)
![S=So+vot\\So=-40\\v=\frac{\Delta S}{\Delta t}=\frac{100-(-40)}{35-0}=\frac{140}{35}=4m/s\\S=-40+4t\\S=200m\\200=-40+4t\\240=4t\\\\\boxed{t=60s} S=So+vot\\So=-40\\v=\frac{\Delta S}{\Delta t}=\frac{100-(-40)}{35-0}=\frac{140}{35}=4m/s\\S=-40+4t\\S=200m\\200=-40+4t\\240=4t\\\\\boxed{t=60s}](https://tex.z-dn.net/?f=S%3DSo%2Bvot%5C%5CSo%3D-40%5C%5Cv%3D%5Cfrac%7B%5CDelta+S%7D%7B%5CDelta+t%7D%3D%5Cfrac%7B100-%28-40%29%7D%7B35-0%7D%3D%5Cfrac%7B140%7D%7B35%7D%3D4m%2Fs%5C%5CS%3D-40%2B4t%5C%5CS%3D200m%5C%5C200%3D-40%2B4t%5C%5C240%3D4t%5C%5C%5C%5C%5Cboxed%7Bt%3D60s%7D)
d)
b)A origem é quando x=0 , Logo será o instante t=10s
c)
d)
Perguntas interessantes