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An elevator travels at an average velocity of +5 m/s for 10 seconds and then -8 m/s for 5 seconds. Determine the elevator's displacement.

Respuesta :

Displacement at 10s

[tex]\\ \bull\tt\dashrightarrow Velocity\times Time[/tex]

[tex]\\ \bull\tt\dashrightarrow 5(10)=50m[/tex]

Displacement at next 5s

[tex]\\ \bull\tt\dashrightarrow -8(5)=-40m[/tex]

Now

Total displacement=50-40=10m

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