A Car covers two equal distances at 36kmph and 54kmph respectively, then find the
average speed in terms of metre per second
Answers
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5
Explanation:
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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