Answers

2015-06-28T15:01:12+05:30
54 km/h=54*5/18 m/s
=15 m/s (initial velocity u)
63 km/h= \frac{63*5}{18} =17.5 m/s  (final velocity v)
Difference in speeds:(v-u)
=(17.5-15)m/s
=2.5 m/s
So 2.5 m is the distance covered by the car in 1 sec.
Ans:
 2.5 m is the distance covered by the car in 1 sec..
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