The two stars in a binary star system have masses $1\mathrm{.}81030$ kgkg and $5\mathrm{.}91030$ kgkg$.$ They are separated by $2\mathrm{.}31012$ mm$.$

Part A

What is the system's rotation period, in years?

Express your answer in years.

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

TT $=$

nothing

yryr

Submit

Part B

What is the speed of the lightest star?

Express your answer with the appropriate units.

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

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

v$1$v$1=$

nothingnothing

Submit

Part C

What is the speed of the heaviest star?

Express your answer with the appropriate units.

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