An object travels 40m in 5 sec and then another 80 m in 5 sec. What is the average speed of the object?
2 m/s
6 m/s
12 m/s
30 m/s
Answers
Answered by
0
Answer:
12m/s
hope it will help
Answered by
1
Answer:
total distance = 120m
total time = 10sec
average speed = td/tt
= 120/10 = 12m/s
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