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U)552 3a)5.A car is moving along a straight track with a velocity of 20 ms- due East. After 5 s it starts retracingits path with the uniform velocity y. If its average velocity after 15 s is zero, then y is [C]हाउ हाउ आर यू |
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Answer» The answer is 10m/s DUE west..... Explanation: |
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