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WAEC Physics 2017 Paper

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Question : 27

Total: 50

Consider the wave equation:

y = 10\sin(x - 50t)

, What does the number 10 represent?

Acceleration
Speed
Amplitude
Wavelength

Solution:

Comparing the given equation with the wave equation:

$A\sin(kx - \omega t)$ , we have that A = 10 which is the amplitude of the wave.

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