a vehicle moves with the speed of 20 km/h find the distance it covers in 5.5 hours
Answers
Answered by
4
Explanation:
in hour a vehicle cover 20km
in 5.5hour a vehicle cover 20×5.5=110km
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Answered by
3
Answer:
Letx consider, x= total distance covered by the car,
Time taken to complete the half distance with velocity v=40km/h,
t
1
=
2×40
x
=
80
x
hr. . . . .(1)
The time taken to complete another half distance with velocity u=60km/h
t
2
=
2×60
x
=
120
x
hr
The total time taken, t=t
1
+t
2
t=
80
x
+
120
x
=
48
x
hr
The average speed of the car,
v
avg
=
x/48
x
=48km/h
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