The velocity ratio of the differential wheel and axle is

The velocity ratio of the differential wheel and axle is Correct Answer $$\frac{{2{\text{R}}}}{{{{\text{r}}_1}}}$$

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The velocity ratio of a differential wheel and axle with 'D' as the diameter of effort wheel and d1 and d2 as the diameters of larger and smaller axles respectively, is
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The function shown is the solution of the differential equation (assuming all initial conditions to be zero) is