Using the pulley system below, if ${\mathrm{????}}_1=1\mathrm{.}7\mathrm{????}\mathrm{????}$ and ${\mathrm{????}}_2=10\mathrm{.}0\mathrm{????}\mathrm{????},$ what is the acceleration of ${\mathrm{????}}_2$ in $\frac{\mathrm{????}}{\mathrm{????}}/\mathrm{????}?$  Use up as the positive direction for ${\mathrm{????}}_2.$ Draw force diagrams.  Derive two equations with two unknowns.

 

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