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anonymous

  • one year ago

If the average speed of a helium atom at a certain temperature is 1230. m/s, what is the speed in miles per hour? (1mi =1609m)

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  1. Rushwr
    • one year ago
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    You just have to convert the units !

  2. anonymous
    • one year ago
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    I need help setting up the problem, please.

  3. Rushwr
    • one year ago
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    okai ! The helium atom goes 1230m in 1 s right/ We have to find it in miles per hour !

  4. anonymous
    • one year ago
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    right

  5. Rushwr
    • one year ago
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    \[speed = Distance / time \]

  6. Rushwr
    • one year ago
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    Now we have to convert the units if 1 mile= 1609m 1230m would be equal to 1230/ 1609 miles right?

  7. anonymous
    • one year ago
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    yes

  8. Rushwr
    • one year ago
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    So what do u get for miles >

  9. anonymous
    • one year ago
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    Okay. I think I got it. So (1230m/1s) x (3600s/1h) x (1mi/1609m) = 2.752 x 10^3 mi/h

  10. anonymous
    • one year ago
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    Is that right?

  11. Rushwr
    • one year ago
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    nop

  12. anonymous
    • one year ago
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    What did I do wrong then?

  13. Rushwr
    • one year ago
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    U have to divide the distance by hours ! You have multiplied them !

  14. anonymous
    • one year ago
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    Oh. I did.

  15. anonymous
    • one year ago
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    I'm not really good at drawing it out on here. Sorry.

  16. Rushwr
    • one year ago
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    It's okai !

  17. anonymous
    • one year ago
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    Thanks for helping me out!

  18. anonymous
    • one year ago
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    The program took my answer.

  19. Rushwr
    • one year ago
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    yeah it is 2.12 x 10^-4 around ! Just calculate and see i ddnt go thru it muchl.

  20. anonymous
    • one year ago
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    Alright. Thanks!

  21. Rushwr
    • one year ago
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    Anytym :)

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