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<meta name="description" content="The duck was flying in a horizontal straight line with a constant speed u. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone v was directed just at the duck at an angle \alpha to the horizon. At what height did the duck fly, if the rock still hit it?">
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<meta property="og:description" content="The duck was flying in a horizontal straight line with a constant speed u. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone v was directed just at the duck at an angle \alpha to the horizon. At what height did the duck fly, if the rock still hit it?">
<title>The duck was flying in a horizontal straight line with a constant speed u. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone v was directed just at the duck at an angle \alpha to the horizon. At what height did the duck fly, if the rock still hit it?</title>
$1.3.10.$ The duck was flying in a horizontal straight line with a constant speed $u$. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone $v$ was directed just at the duck at an angle $\alpha$ to the horizon. At what height did the duck fly, if the rock still hit it?
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
<meta name="keywords" content="Savchenko Problems in Physics, Savchenko solutions, physics problems, physics olympiad preparation, IPhO, Jaan Kalda">
<meta name="keywords" content="Savchenko Problems in Physics, Savchenko solutions, physics problems, physics olympiad preparation, IPhO, Jaan Kalda">
<meta name="description" content="The duck was flying in a horizontal straight line with a constant speed u. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone v was directed just at the duck at an angle \alpha to the horizon. At what height did the duck fly, if the rock still hit it?">
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<meta property="og:description" content="The duck was flying in a horizontal straight line with a constant speed u. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone v was directed just at the duck at an angle \alpha to the horizon. At what height did the duck fly, if the rock still hit it?">
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<title>The duck was flying in a horizontal straight line with a constant speed u. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone v was directed just at the duck at an angle \alpha to the horizon. At what height did the duck fly, if the rock still hit it?</title>
<title>The duck was flying in a horizontal straight line with a constant speed u. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone v was directed just at the duck at an angle \alpha to the horizon. At what height did the duck fly, if the rock still hit it?</title>
$1.3.10.$ The duck was flying in a horizontal straight line with a constant speed $u$. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone $v$ was directed just at the duck at an angle $\alpha$ to the horizon. At what height did the duck fly, if the rock still hit it?
$1.3.10.$ The duck was flying in a horizontal straight line with a constant speed $u$. An inexperienced "hunter" threw a stone at it, and the throw was made without pre-emption, i.e. at the time of the throw, the speed of the stone $v$ was directed just at the duck at an angle $\alpha$ to the horizon. At what height did the duck fly, if the rock still hit it?
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
<small>All rights belong to the authors. <br> Commercial use of materials - with the written permission of the authors. <br> alex@savchenkosolutions.com <br></small>
