Part A

A grinding wheel is a uniform cylinder with a radius of

$8\mathrm{.}50cm$ and a mass of $0\mathrm{.}400kg.$

Calculate its moment of inertia about its center.

Express your answer with the appropriate units.

$I=$

Part B

Calculate the applied torque needed to accelerate it from rest to $1550rpm$ in $5\mathrm{.}00s$ if it is known to slow down from $1750rpm$ to

rest in $56\mathrm{.}0s.$

Express your answer with the appropriate units.

$\{$:${}_{\text{a}\text{p}\text{p}\text{l}\text{i}\text{e}\text{d}}=|,]$