How Many Steps Are Visible on the Escalator When It's Shut Down?

I am a bit of an outcast here, but Evo is a moderator. I'm sure she knows how to do these things. Keep at it and you'll get there.Keep? I thought you meant "Stop." :PI meant I was trying to be clever with words, but it didn't work out like I wanted it to. :PBut you are right, I should have said "Stop at it then." :blush:Oh! Haha sorry for the misunderstanding. I'm not really good at reading between the lines. It was a nice attempt though. I got the humor in it. You got me there! :PIn summary, a scientist is conducting an experiment on an escalator in
  • #1
Fraulein
A scientist is performing an experiment on an up-the-floor escalator in a mall. The scientist ran up the escalator and took 50 steps to reach the upper boom. Then, he ran back down the same escalator and took 125 steps to reach back the lower boom. The pace of the scientist going down is five times faster going up. How many steps are visible on the escalator if it is shutdown?

The problem is good for 15 minutes...or more! Haha! I'll post the solution and answer on Monday :) Happy solving!
 
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  • #2
Welcome to PF!

Why do you think only a genius can solve it?

Also its easily found via google search.
 
Last edited:
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  • #3
Also, this is the "Introductions Only" sub-forum, as it states in the first post. :smile:
 
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  • #4
Uh-oh. I haven't been reading. My bad. Uhm, do i have to delete this post and move it to the threads? Sorry guys. >.< Regarding the question, it came from a book entitled "Problems in General Physics by I.E Irodov" which was our example problem in our class last Monday. I just felt sharing this bec most of my classmates had a hard time solving it and I googled it too! And haven't found a site with solutions on this problem. (or maybe I am just lame in Google-ing lol)
 
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  • #5
You're fine, no one reads my posts. :frown: It was a nice problem. Welcome to the forum!
 
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  • #6
Oh no, i read your post should I now deny that I did and delete this post too to deny the denial? :-)
 
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  • #7
Evo said:
You're fine, no one reads my posts. :frown: It was a nice problem. Welcome to the forum!
Thank you ^^ I'll move it to the threads :)
 
  • #8
Evo said:
You're fine, no one reads my posts. :frown: It was a nice problem. Welcome to the forum!
I read some of them @Evo...

Anyway, I moved this thread.
 
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  • #9
Mark44 said:
I read some of them @Evo...

Anyway, I moved this thread.
Thank God, I'm having a hard time learning to post and the likes here. Thank you! :)
 
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  • #11
Evo said:
You're fine, no one reads my posts. :frown:
Evo ... how can you say that? We all await your posts with bated breath :smile:
 
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  • #12
phinds said:
Evo ... how can you say that? We all await your posts with bated breath :smile:
Who are you talking to?
 
  • #13
Enigman said:
Who are you talking to?
Not you, apparently.
 
  • #14
phinds said:
Not you, apparently.
Ah, keep at it then.
 

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