9.
(11
A cyclist is running at a speed of 5 m/sec. How much time will he take to cover
27 km?
Answers
Answered by
6
Answer:
Step-by-step explanation:
Conversion of kilometre to metre
27 km = 100 x 27
= 27000
= 27000 metres
The speed of cyclist = 5m/sec
Metre seconds
5 1
27000 x
5x = 27000
x = 27000 / 5
= 5400
Therefore, the cyclist will take 5400 seconds to cover 27km
Conversion of seconds to minutes
60 second = 1 minute
5400 seconds = 5400/600
= 9 minutes
Therefore, the cyclist will take 9 minutes to cover 27km
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Answered by
1
Answer:
It takes 5400 sec .
That is 90 minutes
Step-by-step explanation:
27km=27000m is the distance.
5m/sec is the time.
time = distance /speed
=27000/5
= 5400sec
=90 minutes
=1.5 hour
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