Work done by couple in nth second
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It is given by the simple understanding…
If you consider the total time to be n seconds,
Distance travelled in nth second = Distance travelled in n seconds - Distance travelled in (n-1) seconds.
Using the above logic and s = ut+1/2a(t^2) formula….substitute n and n-1 in the place of ‘t’ and solve it.
s(n) = un+1/2a(n^2) - u(n-1)+1/2a{(n-1)^2}
Further solving the above equation
You’ll get the final answer as Distance travelled in nth second = u+a(n-1/2).
If you consider the total time to be n seconds,
Distance travelled in nth second = Distance travelled in n seconds - Distance travelled in (n-1) seconds.
Using the above logic and s = ut+1/2a(t^2) formula….substitute n and n-1 in the place of ‘t’ and solve it.
s(n) = un+1/2a(n^2) - u(n-1)+1/2a{(n-1)^2}
Further solving the above equation
You’ll get the final answer as Distance travelled in nth second = u+a(n-1/2).
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