A body starts from rest. What is the ratio of the distance travelled by the body during the 5th and 4th second?
A. 9/7 B. 5/7 C. 7/9 D. 2/3
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D 2/3
....................... please Mark it as brilianist answer
....................... please Mark it as brilianist answer
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9/7 (A)
Bcz ratio of displacement covered in successive seconds is in odd no. ratio 1:3:5:7:9:...
So for 5th second = 9x
4th second = 7x
Ratio = 9/7
Bcz ratio of displacement covered in successive seconds is in odd no. ratio 1:3:5:7:9:...
So for 5th second = 9x
4th second = 7x
Ratio = 9/7
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