How many km / h is one step
1 m = 1km / h
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- 2. The distance between Shanghai and Nanjing is about 300 km. If a highway is built and the driving speed of the car is 120 km / h, the car will run% of the time There must be a formula The distance between Shanghai and Nanjing is about 300 km. If a highway is built and the driving speed of a car is set at 120 km / h, how many hours will it take for the car to finish the highway? If the car takes 7.5 hours to arrive for some reason, what is the average speed?
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- 7. The known distance of a somersault is 3.4 × 10 km Ask the monkey king how many somersaults to turn to, known to turn a somersault to take a second, ask him how many years to turn to
- 8. Scientists also told us that Vega is about 26 light-years away from the earth, and Altair is 16 light-years away from us
- 9. Outside the sun, the nearest star to the earth is? 4 light years, 40 light years, more than 4 billion kilometers, more than 400 million kilometers
- 10. How many light years does it take for the light of the star nearest to the sun to reach the earth
- 11. Always pay attention to the speed of 80 mph, act like a tree, die, why
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- 14. If the car is at 120 kilometers per second, how many meters per second The most accurate, note: how many meters per second, is the meter
- 15. How many kilometers per second is one meter? Thank you
- 16. How many kilometers per hour is the speed of one meter per second?
- 17. How many km / h is the unit of speed in navigation? Such as the title
- 18. How many kilometers per hour is one yard per hour
- 19. How many kilometers is a hundred yards an hour
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