## Question

###### The angular velocity of the paper roll at any instant is given by (a) $\frac{\mathrm{u}}{\mathrm{r}}$ (b) $\frac{\mathrm{ux}}{\mathrm{r}^{2}}$ (c) $\frac{\mathrm{u}}{\mathrm{x}}$ (d) $\frac{\mathrm{ur}}{\mathrm{x}^{2}}$

The angular velocity of the paper roll at any instant is given by (a) $\frac{\mathrm{u}}{\mathrm{r}}$ (b) $\frac{\mathrm{ux}}{\mathrm{r}^{2}}$ (c) $\frac{\mathrm{u}}{\mathrm{x}}$ (d) $\frac{\mathrm{ur}}{\mathrm{x}^{2}}$

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