Question

Numerical problems
Convert 36 km/hr into m/s
A car covers 54 km in an hour. What is its speed in m/s?
2​

Answer 1

1 Kilometer = 1000 Meter

1 Hour = 60 minutes = 3600 seconds

So, $\frac{1 Km}{1 Hr}$ = $\frac{1000 meter}{3600 seconds}$ = $\frac{5 Meter}{18 seconds}$

That's Why 1 Km/Hr = 5/18 m/sec

Now, 54Km/hr = 54 ×$\frac{5}{18}$ = 15m/sec