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natth88

  • 4 years ago

an airplan is flying at 455 miles per hour. what is its speed in feet per minute?

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  1. TransendentialPI
    • 4 years ago
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    \[{455 miles \over 1 hr }*{1 hr \over 60 \min}*{5280 feet \over 1 mile}\] The units cancel out and you just have to do the calculation. This is called Unit analysis. OK?

  2. natth88
    • 4 years ago
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    thanks

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