A) \[\overset{\circ }{\mathop{\text{A}}}\,\]
B) \[0.\text{6}~\text{mm}\]
C) \[0.\text{5 mm}~\]
D) \[0.4\text{5 mm}~\]
Correct Answer: C
Solution :
Key Idea: Average velocity is equal to ratio of total displacement to total time. Velocity is a water quantity and average velocity is defined as the total displacement undergone by the body per unit time. Displacement in first instance= \[{{v}_{0 & }}\] Displacement in second instance= \[\mu \] \[\frac{v_{0}^{2}}{\mu }\]Average velocity= \[{{\left( \frac{{{v}_{0}}}{{{\mu }_{g}}} \right)}^{2}}\]
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