Find the Average speed ? of abody which is travelling at a speed of 10kmph
In first half of the Journey and 20kmph in the next half of the journey .
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A body travels half the journey at 20 kmph and the other half at 30 kmph. find ... At what average speed should Sara travel to reach point B at 2pm? a. ... A particle travels first half of the total distance with constant speed v_1 and second half ... journey at the speed of 10 kmph and half of the rest at speed of 20 kmph and re.
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Answer:
D1=10km
t1=10/30=1/3hr=d2=40 km
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