A plank P is placed on a solid cylinder ...

A plank `P` is placed on a solid cylinder `S`, which rolls on a horizontal surface. The two are of equal mass. There is no slipping at any of the surfaces in contact. The ratio of kinetic energy of `P` to the kinetic energy of `S` is:

`1:1`

`2:1`

`8:3`

`11:8`

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