Page 15 - WAVES
P. 15

5. The figure shows the waveform of a slinky                            6. Determine the frequency of the wave.
        spring which vibrated at a frequency of 8 Hz.
                                                                                   Displacement/ m
      Displacement/ m

                                                                                    6
           10




                                                 2.0      distance/ m                                                    1.0      Time/ms

                                                                                   -6
           10

                                                                                                                                   2000 Hz
        Determine
        a) amplitude                                              5 m
        b) wavelength                                          1.0 m

        c) wave speed                                         8 ms    -1
                                                                           7. The circular waves produced by a vibrating
                                                                                sphere dipper with a frequency of 5 Hz.

                                                                                What is the wave speed of the wave.

                                                                                                                                  7.5 cms    -1



                                                                                                    4.5 cm
















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