The displacement-time graph for two particles $A$ and $B$ are straight lines inclined at angles of $30^o$ and $60^o$ with the time axis. The ratio of velocities of $V_A : V_B$ is
The displacement-time graph for two particles $A$ and $B$ are straight lines inclined at angles of $30^o$ and $60^o$ with the time axis. The ratio of velocities of $V_A : V_B$ is
- A
$1\,:\,2$
- B
$1\,:\,\sqrt 3$
- C
$\sqrt 3\,:\,1$
- D
$1\,:\,3$
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