An object travels 20 m in 5 sec initially and then 40 m in 5 sec. What is the average speed of

the object?

12 m/s

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0 m/s

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6 m/s

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2 m/s

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Solution

The correct option is C
6 m/s

Average speed= (Total Distance)/(Total time)

= (20 m + 40 m)/(5 sec + 5 sec)

=60 m/10 sec

=6m/s

The average speed of the object is 6m/s.

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