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A particle travels half of the dis†an ce of a straight journey with a speed 6m/s.The remaining part of the dis†an ce is covered with speed 2m/s for half of the time of remaining journey and with speed 4m/s for the other half of time.The average speed of the particle is

Answer» A particle travels half of the dis†an ce of a straight journey with a speed 6m/s.The remaining part of the dis†an ce is covered with speed 2m/s for half of the time of remaining journey and with speed 4m/s for the other half of time.The average speed of the particle is


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