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Standard XII

Physics

Instantaneous Velocity

On a displace...

Question

On a displacement/time graph, two straight lines make angles at $30^{o}$ and $60^{o}$ with the time axis. The ratio of the velocities represented by them is:

1 : 2

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1 : 3

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2 : 1

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3 : 1

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Solution

The correct option is B $1 : 3$
Velocity $= slope of displacement time graph$
So $\frac{v_{1}}{v_{2}} = \frac{t a n 30^{0}}{t a n 60^{0}} = 1 / 3$
Option B is correct.

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On a displacement/time graph, two straight lines make angles at 30o and 60o with the time axis. The ratio of the velocities represented by them is:

The correct option is B 1:3Velocity =slope of displacement time graphSo v1v2=tan300tan600=1/3Option B is correct.

On a displacement/time graph, two straight lines make angles at $30^{o}$ and $60^{o}$ with the time axis. The ratio of the velocities represented by them is:

The correct option is B $1 : 3$
Velocity $= slope of displacement time graph$
So $\frac{v_{1}}{v_{2}} = \frac{t a n 30^{0}}{t a n 60^{0}} = 1 / 3$
Option B is correct.