Question

An object travels 160 m in 30 s and then another 120 m in 30 s , what is the average speed of

the object ?
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Answer 1

Answer:

good speed up the process object 160

Answer 2

Answer:

3.5 m/s

Explanation:

Speed = distance/time.

Speed of object in 1st interval = 20/4 = 5 m/s

Speed of object in 2nd interval = 20/10 = 2 m/s

Average speed = (5+2)/2 = 3.5 m/s