A car travels 30 km at a uniform speed for 4 hours and returns back with a uniform speed in 6 hours on a straight road. Find its average speed and average velocity. Under what condition average speed and average velocity will be equal?
Answers
Answered by
1
Answer:
average speed = distance/time
Therefore, average speed of the car is 70 km/2 hours = 35km/hour
Answered by
0
Answer:
Total distance covered by car = 60 km
And, total time taken in journey t=t
1
+t
2
t=
v
1
s
1
+
v
2
s
2
=
60
30
+
40
30
=
4
5
h
Therefore, Average Speed=
Total Time
Total Distance
=
4
5
h
60km
=48 km/h
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