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virtus

  • 3 years ago

a train runs between two stations stopping at each. Its velocity V km/min, t minutes after leaving the first station, is given by v = 0.12t(6-t)

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  1. virtus
    • 3 years ago
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    find the time taken to travel between the two stations

  2. amistre64
    • 3 years ago
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    if something is stopped, its velocity is 0 right?

  3. Akshat4-10
    • 3 years ago
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    yes

  4. amistre64
    • 3 years ago
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    then for which ts does V = 0?

  5. Akshat4-10
    • 3 years ago
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    for t=0 and t=6 obviously...

  6. amistre64
    • 3 years ago
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    obviously lol

  7. cwrw238
    • 3 years ago
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    so after first starting it stops again after 6 minutes

  8. amistre64
    • 3 years ago
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    i was going to say 360 seconds, but 6 minutes sounds adequate

  9. cwrw238
    • 3 years ago
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    yup - lol

  10. Akshat4-10
    • 3 years ago
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    yup...the time difference between the two stations is 6mins...when the train travels at Vkm/min.

  11. cwrw238
    • 3 years ago
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    there you go

  12. virtus
    • 3 years ago
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    LOL @Akshat4-10 and @cwrw238 for impersonating me hahahas thanks guys ;)

  13. virtus
    • 3 years ago
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    so for this question how would we find ii- the maximum positive velocity attained iii- the distance between the two stations

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