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A small bell starts moving from A over a...

A small bell starts moving from `A` over `a` fixed track as shown in the figure . Surface `AB` is friction from `A` to `B` the bell roll ralis without sipping `BC` is friction , `K_(A)K_(B)` and` K_(C)` are kinetic energy of the bell at `A, B` and `C` respacecvely.Then

A

`h_Agth_C,K_BgtK_C`

B

`h_Agth_C,K_CgtK_A`

C

`h_A=h_C,K_B=K_C`

D

`h_Alth_C,K_BgtK_C`

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