Q.

Two particles P and Q are moving along x-axis. Their position-time graph is shown in the figureChoose the correct options

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a

Particle P starts from point O at t=0

b

Particle Q starts from point O at t=10 s

c

Particle Q overtakes the particle P at x=30 m and t=20 s

d

None of the above

answer is A.

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Detailed Solution

(1) Graph is passing through origin. Hence, option (1) is correct.(2) From graph, Q starts at t=10 s.(3) From the given graph, it is clear that particle Q will overtake the particle P at the distance of 30 m and the time difference of 30 s.
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Two particles P and Q are moving along x-axis. Their position-time graph is shown in the figureChoose the correct options