Question

Express 70m/sec in km/hr?
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Answer 1

Answer:

252 km/h

Step-by-step explanation:

To convert m/s to km/h, we need to multiply 70 by $\frac{18}{5}$

= $70$×$\frac{18}{5}$

= 252 km/h

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Answer 2

Answer:

70m/sec

distance covered in 1 hour

1sec = 70m

1min = 70×60 = 4200m

1hour = 4200×60 =252000m

covered in kilometres

1hour = 252000m

1hour = 252000m ÷ 1000m = 252km/hr

Step-by-step explanation:

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