Question

A car travels 64km in 60 minutes .
Find the speed of car in S.I unit.

Answer 1

speed=distance /time
=64km/60min
=64000m/3600sec
=17.78 m/sec


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Answer 2

soln
given
distance travelled(d)=62km
=62*1000 m=62000m
time (t)=60 min=60*60 sec=3600 sec
so,
speed(s)=d/t
=62000/3600
=620/36
=17.2222
therefore,speed is 17.22m/s2