F11 Pro RekhaSample Problem 6 Between two stations a train startingfrom rest first accelerates uniformly, then moves with constantvelocity and finally retards uniformly to come to rest. If the ratioof the time taken be 1:8:1 and the maximum speed attained be60 km/h, then the average speed over the whole journey is(a) 35 km/h(b) 54 km/h(c) 40 km/h(d) 15 km/htime taken

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Between the two stations, a train accelerates from rest uniformly at first, then moves with constant velocity and finally retards uniformly to come to rest. If the ratio of the time taken be $1 : 8 : 1$ and the maximum speed attained be $60 km/h$ , then, what is the average speed over the whole journey?

Q. Between the two stations, a train accelerates from rest uniformly at first, then moves with constant velocity and finally retards uniformly to come to rest. If the ratio of the time taken be

1 : 8 : 1

and the maximum speed attained be

60 km/h

, then, what is the average speed over the whole journey?

Q. Between the two stations, a train accelerates uniformly at first, then moves with constant velocity and finally retards uniformly. If the ratio of the time taken is

1 : 8 : 1

and the maximum speed attained be

60 k m / h

, then what is the average speed over the whole journey -

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