Its average speed was 1/2 of (30 + 0) = 15 meters per second.
Distance = (average speed) x (time) = 15 x 7.2 = 108 meters .
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So it's acceleration is 4m/s2. So at any point because it says uniformly, it will be accelerating at 4m/s2 each second
sqrt(30) seconds = 5.48 seconds (approx)
231m
5 seconds
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