Q. 1 C5.0( 2 Votes )

For each pair of

Answer :

The distance travelled and the number of rotations of a circular ring moving along a line.


Let the distance travelled be d and the number of rotation be n.


We know,


The distance travelled in one rotation = 2πr


where r is the radius of the circle


so, distance travelled in n rotation =d = 2nπr


We can whatever value we like for n on right side of the above equation. So, n is a variable. But r is a constant, we are considering the movement of a single ring.


Whatever value we give for n, that the value will be multiplied by a constant 2πr. So, d will always be proportional to n.


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