Predict$/$Calculate Problem $4\mathrm{.}34$

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IP Snowballs are thrown with a speed of $\backslash (11\backslash$mathrm$\{$~m$\}/\backslash$mathrm$\{$s$\}\backslash )$ from a roof $8\mathrm{.}0$ m above the ground. Snowball $\backslash ($ A $\backslash )$ is thrown straight downward; snowball B is thrown in a direction $\backslash (31^\{\backslash$circ$\}\backslash )$ above the horizontal.

Part C

Verify your answer to part $($a$)$ by calculating the landing speed of both snowballs. Find the speed of snowball A$.$

Express your answer using two significant figures.

Part D

Find the speed of snowball B$.$

Express your answer using two significant figures.