a particle is moving along a straight line with different velocity 20 km per hour in 5 seconds 40 kilometre per hour in 10 seconds and 60 kilometre per hour in 15 seconds then its average velocity will be
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A particle is moving along a straight line with different velocities 20 kilometres per hour in 5 seconds 40 km per hour in 10 seconds 60 km per hour in 15 seconds then its average velocity will be 46.6kmph.
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