A car travels 30km at a uniform speed of 40km/hr and next 30km at a uniform speed of
20km/hr. Find its average speed.
Answers
Answered by
1
Answer:
Explanation:
A car travels 30 km at the uniform speed of 40 km/h and the next 30 km at a uniform speed of 20 km/h. Find its average speed. Answer : 26.67 km/hrs.
Answered by
0
Answer:
The total time for the journey is given as,
t=d1/v1 +D2/v2
=30/40+30/20
=2.25 hour
The average speed is given as,
Vavg =d1+d2/t
=30+30/2.25
=26.67km/hr.
Thus, the average speed of the car is 26.67km/h.
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