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SNIIX18

  • one year ago

What do the length of the cord and gravity determine for a pendulum? A. velocity B. amplitude C. period D. speed

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  1. theEric
    • one year ago
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    I don't know much about pendulums, but I think you had a few pendulum problems yesterday. Did you see that equation?

  2. SNIIX18
    • one year ago
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    owww yahh the one that you and souvik helped me out

  3. theEric
    • one year ago
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    Yep! Haha! \[T=2\pi \sqrt{\frac{L}{g}}\] That equation is the only reason I can answer this equation. If I understood pendulums, I'd help you out with that. There, mathematically, the PERIOD is a function of the *length of the cord* and gravitational acceleration (which depends on *gravity*).

  4. theEric
    • one year ago
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    Haha, deja vu!

  5. theEric
    • one year ago
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    Sometimes, if you know nothing else, you can look to the equations. Especially if it's a test and the equations are given somewhere. So learn what the variables mean, and a little bit to understand them :) It'll probably help more than once.

  6. theEric
    • one year ago
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    In more than one way, too.

  7. SNIIX18
    • one year ago
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    oww okay so in the formula when you have it set up and you do everythin right at the end whatever you get last is the period right or no

  8. theEric
    • one year ago
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    Well the \(T\) is the variable that is the period. In that equation, it is a function of ("dependent on") both the length of the cord, and gravitational acceleration.

  9. theEric
    • one year ago
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    So there is no rearranging involved!

  10. theEric
    • one year ago
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    For this problem, I mean.

  11. SNIIX18
    • one year ago
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    okay thank you i already got the answer from a very smart person @theEric from you lol :)

  12. theEric
    • one year ago
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    Haha, thanks! Congrats!

  13. theEric
    • one year ago
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    Really, I never told you outright.. Just directed you to the math! And showed you it. You put that together.

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