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.

asked Sep 27, 2022 168k views

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2 votes

Displacement at 10s

$\\ \bull\tt\dashrightarrow Velocity* Time$

$\\ \bull\tt\dashrightarrow 5(10)=50m$

Displacement at next 5s

$\\ \bull\tt\dashrightarrow -8(5)=-40m$

Now

Total displacement=50-40=10m

Pedram answered Oct 1, 2022

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