Answer

Correct option: D.
1 : 3
(D) 1 : 3,
Slope of displacement time graph gives velocity
$\begin{array}{l} v _1=\tan 60^{\circ}=\sqrt{3} \\ v _2=\tan 30=\frac{1}{\sqrt{3}}\end{array}$
Ratio of velocities = $1: 3$

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Similar questions

The additional kinetic energy to be provided to a satellite of mass $m$ revolving around a planet of mass $M,$ to transfer it from a circular orbit of radius $R_1$ to another of radius $R_2\,(R_2 > R_1)$ is 
Three concentric metal shells $A, B$ and $C$ of respective radii $a, b$ and $c (a < b < c)$ have surface charge densities $+\sigma,-\sigma$ and $+\sigma$ respectively. The potential of shell $B$ is
If the sum of the heights of transmitting and receiving antennas in the line of sight of communication is fixed at $160\, {m}$, then the maximum range of LOS communication is $....{km}$

(Take radius of Earth $=6400\, {km}$ )

A sonometer wire resonates with a given tuning fork forming standing waves with five antinodes between the two bridges when a mass of $9 kg$ is suspended from the wire. When this mass is replaced by a mass $M$, the wire resonates with the same tuning fork forming three antinodes for the same positions of the bridges. The value of $M$ is ... $kg$
The $V-i$ graph for a conductor makes an angle $\theta $ with $V-$ axis. Here $ V$ denotes the voltage and $i$ denotes current. The resistance of conductor is given by
Thermal neutrons are those which
Gravitational potential in a region is given by $v=-(x+y+z) J / kg$. Find the gravitational intensity at $(2,2,2)$ is ........... $N / kg$
As the temperature of a conductor increases, its resistivity and conductivity change. The ratio of resistivity to conductivity
The half life of a radioactive nucleus is $50$ days. The time interval $\left( t _2-t_1\right)$ between the time $t _2$ when $\frac{2}{3}$ ot it has decayed and the time $t_1$, when $\frac{1}{3}$ of it had decayed is ......days
The energy equivalent of $0.5\, g$ of a substance is$........J$