A) \[18.9\,\,cm/\sec \]
B) \[12.6\,\,cm/\sec \]
C) \[37.8\,\,cm/\sec \]
D) None of these
Correct Answer: C
Solution :
Velocity of particle at the maximum height \[\frac{ds}{dt}=0\] \[\Rightarrow u-12.6t=0\Rightarrow u=12.6t=37.8\,cm/s.\]You need to login to perform this action.
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