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Solve the Problem tt Is Given By ss , Where s3+12st+4t35t=0s^{3}+12 s t+4 t^{3}-5 t=0

Question 178

Multiple Choice

Solve the problem.
-The position of a particle at time tt is given by ss , where s3+12st+4t35t=0s^{3}+12 s t+4 t^{3}-5 t=0 . Find the velocity ds/dt\mathrm{ds} / \mathrm{dt} .


A) ds/dt=5+12 s12t23 s2+12t\mathrm{ds} / \mathrm{dt}=\frac{5+12 \mathrm{~s}-12 \mathrm{t}^{2}}{3 \mathrm{~s}^{2}+12 \mathrm{t}}
B) ds/dt=5+12s12t23s212td s / d t=\frac{5+12 s-12 t^{2}}{3 s^{2}-12 t}
C) ds/dt=512 s12t23 s212t\mathrm{ds} / \mathrm{dt}=\frac{5-12 \mathrm{~s}-12 \mathrm{t}^{2}}{3 \mathrm{~s}^{2}-12 \mathrm{t}}
D) ds/dt =512s12t23s2+12t=\frac{5-12 s-12 t^{2}}{3 s^{2}+12 t}

Correct Answer:

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