an object covers 10 metre distance in 3 second and then 20 metre distance in 7 second calculate average speed of the object (a) 1 ms-1 (b) 2 ms-1 (c) 3 ms -1 (d) 4 ms -1
Answers
Answered by
1
Answer:
3 ms -1
Explanation:
average speed = total distance/total time
=10+20/3+7
=30/10
=3ms -1
Answered by
2
Answer:
good afternoon option third is your answer
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