Answer:
Explanation:
1 km=1000 m
1 hour =60 min =60*60 sec=3600 sec
Now put 1000 m instead of km and 3600 sec instead of hour in the given expression.
=50 km/hour
=50*1000 m/3600 sec
=500 m/36 sec
=13.89 m/s
= 13.89 m/s
km 1000 m 1 hr
50 ----- x ---------- x ------------
hr 1 km 3600 secs
