A student throws soft balls out of the window at different angles to the horizontal. All soft ba...

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A student throws soft balls out of the window at different angles to the horizontal. All soft balls have the same initial
\( \mathrm{P} \) speed \( v=10 \sqrt{3} \mathrm{~m} \mathrm{~s}^{-1} \). It turns out that all soft balls landing

W velocities make angles \( 30^{\circ} \) or greater with the horizontal. Find the height \( h \) (in \( \mathrm{m} \) ) of the window above the ground.
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