An object moves 18 m in the first 3 s , 22 m in the next 3 s and 14 m in the last 3 s what is its average speed ?
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Answer:
6 m/s
Explanation:
The average speed of the object = Avg speed in 1st 3 seconds + Avg speed in 2nd 3 seconds + Avg speed in 3rd 3 seconds /3
Avg speed= Distance/ Time
= (18/3 + 22/3 + 14/3 ) / 3
=54/3/3
=54/9
=6
Hence, the average speed of the object is 6 m/s
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