Question

Convert 10m/s to km/h. show your working

Answer 1

Answer:

10 m/s = 10×3600/1000 km/h

→36km/hour

The answer is 36 kilometers per hour.

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Answer 2

Answer- The above question is from the chapter 'Motion'.

Concept used:

1 km = 1000 m

⇒ 1000 m = 1 km

1 m = $\frac{1}{1000}$ km

1 hour = 60 minutes

1 minute = 60 seconds

⇒ 1 hour = 60 × 60 = 3600 seconds

3600 seconds = 1 hour

1 second = $\frac{1}{3600}$ hour

To convert from m/s to km/h. multiply by $\frac{5}{18}$ .

We can obtain this by:-

1 m/s = $\frac{1}{1000} * \frac{3600}{1}$ km/h

1 m/s = $\frac{18}{5}$ km/h (by simplification).

Similarly, to convert from km/h to m/s. multiply by $\frac{5}{18}$ .

Given question: Convert 10 m/s to km/h. Show your working.

Answer: 1 m/s = $\frac{18}{5}$ km/h

10 m/s = $\frac{18*10}{5}$ km/h

∴ 10 m/s = 36 km/h