A vehicle covers the first half of the distance
between two points at a speed of 30 km/h and
the second half at a speed of 20 km/h. The
average speed (in km/h) of the vehicle is
Answers
Answered by
1
Answer:
25
Explanation:
1st half complete at speed 30km/hr
2nd - - - - - - - - - - - - - - - - - - - 20km/hr
There fore,
Avg speed
(30+20)/2=25km/hr
Answered by
3
Answer: Time = Distance/velocity
T1 = s/2×30=s/60
T2 = s/2×20= s/40
Average speed = s/T1 + T2
= s ÷ s/60 + s/40
= s ÷ 5s/120
=120÷5
=24 km/hr
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