A) 36 cm/sec
B) 18 cm/sec
C) 16 cm/sec
D) 32 cm/sec
Correct Answer: B
Solution :
\[x=a+b{{t}^{2}},\ v=\frac{dx}{dt}=2bt\] Instantaneous velocity \[v=2\times 3\times 3=18\ cm/\sec \]You need to login to perform this action.
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