archotron31
archotron31 archotron31
  • 25-10-2021
  • Mathematics
contestada

Find the average speed in km/h for a journey of 175 meters and 35 seconds

Respuesta :

14amavanessa
14amavanessa 14amavanessa
  • 25-10-2021

Answer:

18 km/h

Step-by-step explanation:

1. Convert 175 metres into km

1000 m = 1 km (divide by 1000)

175 ÷ 1000 = 0.175 km

so 175 m = 0.175 km

2. Convert 35 seconds into hours

60 seconds = 1 min

60 mins = 1 hour

3600 (60 × 60) seconds = 1 hour (divide by 3600)

35 ÷ 3600 = 0.00972...

3. Calculate the speed

speed = distance ÷ time

= 0.175 ÷ 0.00972...

= 18 km/h

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