Question

a body covers 20 metre in first seconds , 25 meter in second seconds, 45 meter in third seconds . What is the average speed of a body ..​

Answer 1

Answer:

30 m/s

Explanation:

20+25+45/3=90/3=30m/s

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Answer 2

Answer:

30 m/s

Explanation:

covered in first seconds =20

covered in second seconds =25

covered in third seconds =45

average speed of a body =20 +25 +45

=90/3

=30 m/s

the average speed of the body is 30m/s