Question

a car take20 minute to cover a distance of15 km . Calculated it speed in km/hour and m/s.​

Answer 1

a car take20 minute to cover a distance of15 km . Calculated it speed in km/hour and m/s.

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Time taken=20x60=1200s

Dist.=15x1000=15000m

Speed=15000/1200=150/12=12.5 m/s

Speed= 12.5 m/s=12.5x18/5 km/h

=2.5x18 Km/h

=45 Km/h

Answer 2

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Time taken=20x60=1200s

Dist.=15x1000=15000m

Speed=15000/1200=150/12=12.5 m/s

Speed= 12.5 m/s=12.5x18/5 km/h

=2.5x18 Km/h

=45 Km/h