Asked by Harsh
A body covers 80 meter in 7th second,124 meter in 9th second, how much shall it covers in 15 second?
Answers
Answered by
bobpursley
d(8)-d(7)=vo*8-vo*7 +1/2 a *64-1/2 a*49=vo+1/2 a*15=
equation 1: 80=vo+7.5a
do the same meth for the 15second (distance 16-distance 15), then get and eequation 2.
You have two equations, solve for vo, and a.
Finally then you can solve for the distance in the 15th second.
equation 1: 80=vo+7.5a
do the same meth for the 15second (distance 16-distance 15), then get and eequation 2.
You have two equations, solve for vo, and a.
Finally then you can solve for the distance in the 15th second.
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