A. 4.5 ms‾¹
B. 6.0 ms‾¹
C. 18.0 ms‾¹
D. 36.0 ms‾¹

Correct Answer: Option B

B. 6.0 ms‾¹

Explanation

v = √U²+2as=√0²+2×2×9

=6m/s

 

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