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Two straight lines drawn on the same displacement time graph make angles 30° and 60° with time axis respectively in the figure.1. Which line represents greater velocity? 2. What is the ratio of the velocity of line A to the velocity of line B? |
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Answer» 1. B 2. \(\frac{V_A}{V_B}= \frac{tanθ_A}{tanθ_B} \) \(\frac{tan 30°}{tan 60°} = \frac{\frac{1}{\sqrt{3}}}{\sqrt3} = 1:3\) |
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