A boy travel 30 meter in 18 second so find in meter per second
Answers
Answered by
0
Explanation:
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Answered by
1
Answer:
Correct option is
B
24 m/s
Let the body goes from A to B in t
1
sec and comes back from B to A in t
2
sec. and let the distance between A and B be s.
∴t
1
=
20
s
and t
2
=
30
s
Total distance traveled =s+s=2s
Total time taken =t
1
+t
2
=
20
s
+
30
s
=
60
5s
∴ Average velocity =
t
1
+t
2
2s
Putting the values, we get average speed = 24m/s
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