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anonymous

  • one year ago

a truck with 48 in. diameter wheels is travelling at 50mi/h a. find the angular speed of the wheels rad/min. b. how many revolutions per minute do the wheels make?

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  1. anonymous
    • one year ago
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    @UsukiDoll

  2. UsukiDoll
    • one year ago
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    I'm not that good at these problems.. x*(

  3. anonymous
    • one year ago
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    i know the formula for this though lol

  4. anonymous
    • one year ago
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    for angular speed it should be \[\omega =\theta \div time\]

  5. anonymous
    • one year ago
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    Remember that radians are distance divided by the raidus.

  6. anonymous
    • one year ago
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    Do you know how to convert all the units?

  7. anonymous
    • one year ago
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    The radius will be \(24\) in.

  8. anonymous
    • one year ago
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    yes and the rotaions would be 50mi/ 60mins

  9. anonymous
    • one year ago
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    \[ \theta = \frac{x}{r}\\ \omega = \frac{v}{r} \]

  10. anonymous
    • one year ago
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    which one og the formulas would be used here for angular speed i thought it was \[\theta \div time\]

  11. anonymous
    • one year ago
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    You aren't given any time here, so that formula is of no use.

  12. anonymous
    • one year ago
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    You need to think about the relationship of everything.

  13. anonymous
    • one year ago
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    First of all, what is \(v\)?

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