Question

a bullet train travel at a speed of 5.6×10²km/hr.exprress the time it will take to travel a distance of 5040 km​

Answer 1

Answer:

It's very easy let me tell the answer.

Answer is 2.5.

Step-by-step explanation:

See multiply 5.6 multiply 100 because 10square.

Then use formula Time ==== Distance/Speed.

Now 5040÷560 === 9.

Now change the unit you can change these earlier also.

9 × 5÷18 === 2.5s

Why I changed or multiply 5÷18. This is because we have to change units you can change earlier also It's short to convert or change units.by 5÷18 or 18÷5. Km/h to m/s is 5÷18. and m/s to km/h is 18÷5. We only have to multiply these numbers by it . Remember SI unit of Distance is m Speed m per second and time second. So use that.

Hope you got it....

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