A) 1 : 2
B) 1 :\[\sqrt{3}\]
C) \[\sqrt{3}\] : 1
D) 1 : 3
Correct Answer: D
Solution :
[d] Slope (= tan 9), of displacement-time graph shows velocity. |
\[\frac{{{v}_{A}}}{{{v}_{B}}}=\frac{\tan {{\theta }_{A}}}{\tan {{\theta }_{B}}}=\frac{\tan {{30}^{\operatorname{o}}}}{\tan {{60}^{\operatorname{o}}}}=\frac{1/\sqrt{3}}{\sqrt{3}}=\frac{1}{3}=1:3\] |
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