car travels first 40 kilometre with a uniform speed of 60 km/h and then next 40 kilometre with a uniform speed of 40 km/h. calculate a) the total time of journey b) the average speed of the car
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Answer:
hey if u like the answer pls follow
Step-by-step explanation:
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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