Science, asked by sunitasahu654123, 10 hours ago

An object covers 20 metre distance in 5 second in east direction and then from there 20 metre distance in 4 second

Answers

Answered by Shivanyab2020

0

Explanation:

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

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