A train travel at a speed of 60 km? /hr for 0.52hour at 30 km /hr for the next 0.24 hour and then 70 km /hr for the next 0.71hour. find the average speed?
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Answered by
3
hey
here is ur answer
==========
Average speed
=(60×0.52+30×0.24+70×0.71)/0.52+0.24+0.71 km/h
=(31.2+7.2+49.7)/1.47 km/h
=88.1/1.47 km/h
=59.93 km /h
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I hope this will help
#Prem✌
here is ur answer
==========
Average speed
=(60×0.52+30×0.24+70×0.71)/0.52+0.24+0.71 km/h
=(31.2+7.2+49.7)/1.47 km/h
=88.1/1.47 km/h
=59.93 km /h
=======
I hope this will help
#Prem✌
mona112:
right
cua
cya
that time I'm in schl
ohh
hey edit option nhi aarha
how i can edit
I solved it...
ok
This is correct
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