An $7\mathrm{.}7-$cmcm$-$diameter, $310$ gg solid sphere is released from rest at the top of a $2\mathrm{.}0-$mm$-$long, $16$ incline. It rolls, without slipping, to the bottom.

Part A

What is the sphere's angular velocity at the bottom of the incline?

Express your answer in radians per second.

View Available Hint$($s$)$for Part A

Activate to select the appropriates template from the following choices. Operate up and down arrow for selection and press enter to choose the input value typeActivate to select the appropriates symbol from the following choices. Operate up and down arrow for selection and press enter to choose the input value type

$=$

nothing

rad$/$srad$/$s

Submit

Part B

What fraction of its kinetic energy is rotational?

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KrotKtotalKrotKtotal $=$

nothing