1.

A car travels 50 km in 5 secs find it's speed in m/s and km/h​

Answer»

50km/5s

Simplified -> 10km/s

1 KM = 1000m

∴ 10 km = 10000m

So the CAR's speed in m/s = 10,000 m/s

1hr = 3600 seconds

∴  \frac{10}{s}×\frac{3600}{3600} = \frac{36000}{3600s}

= \frac{36000}{hour}

= 36,000km/h



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