A) 314 cm/sec
B) 628 cm/sec
C) 20 cm/sec
D) 400 cm/sec
Correct Answer: C
Solution :
\[v=\frac{\text{Co-efficient of }t}{\text{Co-efficient of }x}\]\[=\frac{628}{31.4}=20\,cm/sec\]You need to login to perform this action.
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