\( v^{2} = 190^{2} − 80^{2} \)\( v^{2} = 36\ 100\ –\ 6\ 400 \)\( v = \sqrt{29\ 700} \)\( v ≐ 172,4\ cm \)Unchecked
\( v^{2} = 190^{2} − 70^{2} \)\( v^{2} = 36\ 100\ –\ 4\ 900 \)\( v = \sqrt{31\ 200} \)\( v ≐ 176,6\ cm \)Unchecked
\( v^{2} = 190^{2} − 75^{2} \)\( v^{2} = 36\ 100\ –\ 5\ 625 \)\( v = \sqrt{30\ 475} \)\( v ≐ 174,5\ cm \)Unchecked
\( v^{2} = 190^{2} − 77,5^{2} \)\( v^{2} = 36\ 100\ –\ 6\ 006,25 \)\( v = \sqrt{30\ 093,75} \)\( v ≐ 173,5\ cm \)Unchecked