[tex] \frac{\pi \times v ^{2} }{5 } = lam[/tex]
10 = (3.14 x v²) : 5 /x5
50 = 3.14 x v² /:3.14
15.92 = v² /√
v = √15.92
v ≈ 3.99
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Verified answer
[tex] \frac{\pi \times v ^{2} }{5 } = lam[/tex]
10 = (3.14 x v²) : 5 /x5
50 = 3.14 x v² /:3.14
15.92 = v² /√
v = √15.92
v ≈ 3.99