Question

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Answer 1

Answer:

(c) 1/$\sqrt{3}$ m/s

Explanation:

the graph is linear and makes an angle of 30*

assume that the line makes a triangle with the x and y axis.

Then, it will be a right angled triangle with x (i.e. distance) as the perpendicular side and t(i.e. time) as the base.

Now,  we know, velocity = x/t (in this case)

and tan30 in the assumed tiangle is also equal to x/t.

FRom this we have, tan30= x/t    => x/t => v => 1/$\sqrt{3$ m/s