A car travels 30 km at a uniform speed of 40 km/h and the next 30 km at a uniform speed of 20 km/h find its average speed.
Answers
Answered by
2
Answer:
The total time for the journey is given as,
t=
v
1
d
1
+
v
2
d
2
=
40
30
+
20
30
=2.25hour
The average speed is given as,
v
avg
=
t
d
1
+d
2
=
2.25
30+30
=26.67km/h
Thus, the average speed of the car is 26.67km/h.
Answered by
0
Answer:
the average speed of the car is 26.67km/h.
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