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NotTim

  • 2 years ago

In a ripple tank, a point on the the third nodal line from the centre is 35.0cm from another. The sources are 11.2cm apart and vibrate in phase at 10.5Hz. Calculate the wavelength and the speed of the waves.

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  1. NotTim
    • 2 years ago
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    I haven't done the question. Just wondering what the values correspond with what variables?

  2. NotTim
    • 2 years ago
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    f= 10.5Hz, d=11.2cm, n=3, l=35.0cm. That's what I think. The formulas gunna be tricky too.

  3. imranmeah91
    • 2 years ago
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    each node appear at half a waveleght \[35 cm=3 \frac{\lambda}{2}\] \[\lambda=35*3/2\]

  4. Tomas.A
    • 2 years ago
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    noone answered before because you posted in wrong group

  5. imranmeah91
    • 2 years ago
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    \[v= f \lambda\]

  6. NotTim
    • 2 years ago
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    Sorry. Came back. How do I post in right group? NEw format messed me up.

  7. Tomas.A
    • 2 years ago
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    it's not new format, just join other group and post there

  8. NotTim
    • 2 years ago
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    ok

  9. NotTim
    • 2 years ago
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    i already joined the physics group. how do i post there.

  10. Tomas.A
    • 2 years ago
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    change your group to physics and same like in this group

  11. NotTim
    • 2 years ago
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    It won't let me change.

  12. NotTim
    • 2 years ago
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    When I look at it, its greyed out.

  13. NotTim
    • 2 years ago
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    The thing I use to use to change the groups.

  14. Tomas.A
    • 2 years ago
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    what you use to change groups?

  15. NotTim
    • 2 years ago
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    The thing under the question box. Where it says Current Group:

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