A block is moving down a smooth inclined plane starting from rest at time t =0 .Let
Let Sⁿ be the distance travelled by the block in the interval t = n − 1 to t = n. The ratio Sⁿ/Sₙ+1 is
A) 2n−1/2n
B) 2n−1/2n+1
C) 2n+1/2n-1
D) 2n/2n-1