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    is this the right working for b part 2? I already worked out the answer to b part 1 which is 1.70x10^8 m/s.
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    (Original post by Airess3)
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    is this the right working for b part 2? I already worked out the answer to b part 1 which is 1.70x10^8 m/s.
    Frequency should be the same - but the wavelength varies (because the speed varies)
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    (Original post by Joinedup)
    Frequency should be the same - but the wavelength varies (because the speed varies)
    So you don't need to do any working at all? Just write down the same frequency number?
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    (Original post by Airess3)
    So you don't need to do any working at all? Just write down the same frequency number?
    Yeah frequency is constant
 
 
 
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