a) Speed = 90cm/1.69seconds ≈ 53.3cm/s (3s.f.)
b) No it is not possible. Adjusting either the amplitude or the damping does not affect the speed of the wave pulse. But, adjusting the tension would change the speed and the wavelength.
Ans: 53.3cm/s
(The below pictures are some factors that we changed, but only changing the tension will change the speed.)
Done By: Benjamin Fheng and Lee Si Yuan :D
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