A) \[\frac{2\pi }{3}\]
B) \[\frac{5\pi }{6}\]
C) \[20\]
D) \[16\]
Correct Answer: D
Solution :
From the given equation, a = 5 and w = 4 \ \[v=\omega \sqrt{{{a}^{2}}-{{y}^{2}}}=4\sqrt{{{(5)}^{2}}-{{(3)}^{2}}}=16\]
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