an athletic cover a certain distance in 30 minutes at the uniform speed of 12km /h by how much increase speed so as to cover the same distance five minutes early
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Answered by
18
Distance = Speed x Time
So Distance covered = 12 Km/Hr * 0.5 Hr = 6 Km
To cover the same distance 5 minutes earlier = 25 minutes or 0.416667 Hour
So Speed required = 6km/0.416667Hr = 14.3999 Kmph or 14.4 Kmph
So, the athlete should increase his speed by 2.4 kmph
Hope it helps u.
So Distance covered = 12 Km/Hr * 0.5 Hr = 6 Km
To cover the same distance 5 minutes earlier = 25 minutes or 0.416667 Hour
So Speed required = 6km/0.416667Hr = 14.3999 Kmph or 14.4 Kmph
So, the athlete should increase his speed by 2.4 kmph
Hope it helps u.
Answered by
14
It is the right one dude .Hope it helps
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