How Does Acceleration Affect Final Velocity in an Elevator?

  • Thread starter Leo34005
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In summary, the problem involves an elevator moving upward at 0.97 m/s and experiencing an acceleration of 0.33 m/s2 downward over a distance of 0.61 m. Using the equation v^2 = u^2 + 2as, we can find the final velocity of the elevator. However, we still need to know the time in order to solve the equation.
  • #1
Leo34005
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Homework Statement


An elevator is moving upward at 0.97 m/s when it experiences an acceleration 0.33 m/s2 downward, over a distance of 0.61 m. What will its final velocity be?


Homework Equations



Not Sure

The Attempt at a Solution


Not Sure
 
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  • #2
Welcome to PF!

Hi Leo34005! Welcome to PF! :smile:

Use the standard constant acceleration equations. :wink:

Show us what you get. :smile:
 
  • #3
I don't know what to put in
 
  • #4
Leo34005 said:
I don't know what to put in

uh?? :confused:

you have the initial speed, the acceleration, and the distance, and you want the final speed …

which equation(s) do you think that would be? :smile:
 
  • #5
1st?
 
  • #6
Leo34005 said:
1st?

which one is that? :confused:

write it out! :smile:
 
  • #7
v = u + at
 
  • #8
tiny-tim said:
you have the initial speed, the acceleration, and the distance, and you want the final speed …
Leo34005 said:
v = u + at

but you don't have the time!
 
  • #9
v^2 = u^2 + 2as

Is that the right equation, if so what do i plug in?
 
  • #10
Leo34005 said:
v^2 = u^2 + 2as

Is that the right equation, if so what do i plug in?

if you're not just guessing, you should know what to plug in …

what do you think?​
 
  • #11
Forgive me for butting in, but this does not belong in Advanced Physics. This is freshman physics. You might get more help over there.
 
  • #12
Thread moved to Intro Physics.

Show your work.
 
  • #13
Leo34005 said:
v^2 = u^2 + 2as

Is that the right equation, if so what do i plug in?

ur close
 

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