An object travels 10 km at speed of 100m/s and another 10km at 50m/s the average speed over the whole distance is
shruti2307:
use formula 2uv/u+v
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avg speed=2xy/x+y
x=100,y=50
avg speed = 2×100×50/100+50
= 200×50/150
10000/150
1000/15
66.6kmph is avg speed
x=100,y=50
avg speed = 2×100×50/100+50
= 200×50/150
10000/150
1000/15
66.6kmph is avg speed
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4
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