For a particle in motion distance-time graph is shown in Fig. From graph answer the following:
(i) During which time period particle is stationary?
(ii) Find magnitude of velocity in OA, AB and BC parts.
(i) Particle is stationary during time 10 s to 20 s as the displacement-time graph is a straight line parallel to time axis during this time interval.
(ii) Velocity in OA part= Slope of line OA= 30/10 = 3 m/s
Velocity in AB part = 0 m/s, as the particle is stationary.
Velocity in BC part = Slope of line BC
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