22. The velocity(v)-position(x) graph of a particle moving on a straight line is as shown in figure. The graph of acceleration(a)-position(x) is best described by 23. A car moving along a straight highway with speed 144 km/h is brought to stop within a distance of 400 m with uniform retardation. How long does it take for the car to stop? (1) 10 s (2) 15 s
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The velocity-position graph shows that the particle is moving with a constant velocity for the first 5 seconds, then it comes to rest for the next 5 seconds, and finally moves in the opposite direction with a constant velocity for the next 5 seconds. Show more…
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