A $\backslash (1\mathrm{.}0-\backslash$mathrm$\{$cm$\}\backslash )-$diameter pipe widens to $2\mathrm{.}0$ cm $,$ then narrows to $5\mathrm{.}0$ mm $.$ Liquid flows through the first segment at a speed of $\backslash (7\mathrm{.}0\backslash$mathrm$\{$~m$\}/\backslash$mathrm$\{$s$\}\backslash ).$

Part A

What is the speed in the second segment?

Express your answer with the appropriate units.

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$\backslash [$

$1$

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Part B

What is the speed in the third segment?

Express your answer with the appropriate units.

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$\backslash [$

v$\_\{3\}=\backslash$mid

$\backslash ]$

Part C

What is the volume flow rate through the pipe?

Express your answer with the appropriate units.

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