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Physics-

General

Easy

Question

The equation of a wave is $y equals 4 s i n invisible function application open curly brackets fraction numerator pi over denominator 2 end fraction open parentheses 2 t plus fraction numerator x over denominator 8 end fraction close parentheses close curly brackets$ where y x, are in cm and time in seconds. The acceleration of particle located at $x equals 8 c m text and end text t equals 1 s e c text is end text$

$4 π^{2} c m / s^{2}$
$- 4 π^{2} c m / s^{2}$
$16 π^{2} c m / s^{2}$
$- 16 π^{2} c m / s^{2}$

The correct answer is: $4 pi to the power of 2 end exponent c m divided by s to the power of 2 end exponent$

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