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Time and Speed

An object tra...

Question

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

2 m/s

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12 m/s

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0 m/s

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6 m/s

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Solution

The correct option is D
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.

Suggest Corrections

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