What distance will be covered by a car moving at 72 km/h in 10 seconds?
time =Â 10 seconds
speed =Â 72 km/h
= $$72\times\frac{1000}{3600}$$ m/s [1km = 1000m and 1h = 3600 seconds.]
=Â $$2\times10$$ m/s
= 20Â m/s
Distance =Â $$speed\times time$$
= $$20\times10$$
= 200 m
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