Galileos law of odd numbers: "The distances traversed, during equal intervals of time, by a body falling from rest, stand to one another in the same ratio as the odd numbers beginning with unity [namely,1:3:5:7..]". Prove it.
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Solution
S0to1=12at2=12a
S1to2=12a(2)2−12a(1)2=12a(3)
S2to3=12a(3)2−12a(2)2=12a(5)
Sn−1ton=12a(n)2−12a(n−1)2=12a(2n−1)
Therefore, the ratio is 1:3:5:7:...........:(2n−3):(2n−1)