A spaceship travels 72000km in one hour. Express its speed in km/s
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Answer:
Step-by-step explanation:
1 hr - 72000 km
1 hr = 60 minute = 3600 sec.
Since,
3600 sec = 72000km
1second = (72000÷3600)
=20 km
Hence,Spaceship travels 20km/s.
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