Question

b) an object travels 20 m in 2 sec and then another 16 m in 2 sec .what is average speed of the object
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Answer 1

Step-by-step explanation:

Average speed = (speed in 1st interval + speed in 2nd interval) ÷ 2

We know that ,

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

Answer 2

Answer:

18 m in 2 sec its a average speed of the object according to my opinions