Solve of the problem - 234

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Uploaded: 19.12.2015
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Reshenie k zadache - S balkona, raspolozhennogo na vysote 20 m, brosili vverkh miach pod uglom 30° ot gorizonta so skorostiu 10 m/s. Napraviv os X vdol poverkhnosti zemli vpravo, a os Y vdol steny doma vverkh, napisat uravneniia zavisimosti koordinat ot vremeni x = x(t) i u = y(t) i uravnenie traektorii u = u(x). <br /> Naiti: <br /> a) koordinaty miacha cherez 2 s; <br /> b) cherez kakoi promezhutok vremeni miach upadet na zemliu; <br /> v) dalnost poleta

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