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Physics, 08.09.2020 01:01 gokusupersaiyan12345

1500m race runner starts the race with a velocity X and after 10s she covered a distance of 120m. She then triple her velocity for the next 5s. She again reduced her velocity to Y which took her 3s to complete the race. calculate :i)the value of X and Y
ii)The average velocity and total time

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1500m race runner starts the race with a velocity X and after 10s she covered a distance of 120m. Sh...
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