car travels a distance of 36 km in 1 hour. find speed of the car in kg h-1 and ms–1
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Answer:
average speed = total distance / total time
=
t
1
+t
2
s
1
+s
2
=
36
x
+
54
x
x+x
=
x(
36
1
+
54
1
)
2x
=
(
108
5
)
2
=
5
216
=43.2km/h
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