an object travels 40m in 5seconds and then another 80m in 5seconds . what is the average speed of the object is :-
(a) 12m/s
(b) 6m/s
(c) 2m/s
(d) 0m/s
plzz give me the answer ...
it's very - very urgent..
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Answer:
The average speed of the object is 12m/s.
that's helpful
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