please fast..............
emergency............
question no. 8&9
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adi1386:
Option C is the answer .
but show me the process
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8. Distance covered = 6km
Time taken = 15min. = 0.25hour
Speed = Distance covered/Time taken
= 6/0.25
=24 km/h ans.
9. Speed of car = 25 m/s
= 25*60*60/1000 km/h
Speed of car = 90 km/h
Distance covered = 90km
We know that,
Speed = Distance / time
Time = distance / speed
Time = 90/90
Time = 1 hour ans.
Hope this may help you..
Time taken = 15min. = 0.25hour
Speed = Distance covered/Time taken
= 6/0.25
=24 km/h ans.
9. Speed of car = 25 m/s
= 25*60*60/1000 km/h
Speed of car = 90 km/h
Distance covered = 90km
We know that,
Speed = Distance / time
Time = distance / speed
Time = 90/90
Time = 1 hour ans.
Hope this may help you..
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