<?xml version="1.0" encoding="utf-8"?>
<geogebra format="5.0" version="5.0.600.0" app="classic" platform="w" id="54369BB0-C2E8-48DD-BE61-14D50AC65D74" xsi:noNamespaceSchemaLocation="http://www.geogebra.org/apps/xsd/ggb.xsd" xmlns="" xmlns:xsi="http://www.w3.org/2001/XMLSchema-instance" >
<gui>
<window width="1366" height="666" />
<perspectives>
<perspective id="tmp">
<panes>
<pane location="" divider="0.2679355783308931" orientation="1" />
</panes>
<views>
<view id="4097" visible="false" inframe="false" stylebar="true" location="1,1,1,1" size="400" window="100,100,700,550" />
<view id="512" toolbar="0 | 1 501 5 19 , 67 | 2 15 45 18 , 7 37 | 514 3 9 , 13 44 , 47 | 16 51 | 551 550 11 , 20 22 21 23 , 55 56 57 , 12 | 69 | 510 511 , 512 513 | 533 531 , 534 532 , 522 523 , 537 536 , 535 , 538 | 521 520 | 36 , 38 49 560 | 571 30 29 570 31 33 | 17 | 540 40 41 42 , 27 28 35 , 6 , 502" visible="false" inframe="false" stylebar="false" location="1,1,1" size="500" window="100,100,600,400" />
<view id="4" toolbar="0 || 2020 , 2021 , 2022 || 2001 , 2003 , 2002 , 2004 , 2005 || 2040 , 2041 , 2042 , 2044 , 2043" visible="false" inframe="false" stylebar="false" location="1,1" size="300" window="100,100,600,400" />
<view id="8" toolbar="1001 | 1002 | 1003 || 1005 | 1004 || 1006 | 1007 | 1010 || 1008 | 1009 || 6" visible="false" inframe="false" stylebar="false" location="1,3" size="300" window="100,100,600,400" />
<view id="1" visible="true" inframe="false" stylebar="false" location="1" size="992" window="100,100,600,400" />
<view id="2" visible="true" inframe="false" stylebar="false" location="3" size="366" window="100,100,250,400" />
<view id="16" visible="false" inframe="false" stylebar="false" location="1" size="300" window="50,50,500,500" />
<view id="32" visible="false" inframe="false" stylebar="true" location="1" size="300" window="50,50,500,500" />
<view id="64" toolbar="0" visible="false" inframe="false" stylebar="false" location="1" size="480" window="50,50,500,500" />
<view id="128" visible="false" inframe="false" stylebar="false" location="1" size="480" window="50,50,500,500" />
<view id="70" toolbar="0 || 2020 || 2021 || 2022" visible="false" inframe="false" stylebar="true" location="1" size="900" window="50,50,500,500" />
</views>
<toolbar show="false" items="0 77 73 62 | 1 501 67 , 5 19 , 72 75 76 | 2 15 45 , 18 65 , 7 37 | 4 3 8 9 , 13 44 , 58 , 47 | 16 51 64 , 70 | 10 34 53 11 , 24 20 22 , 21 23 | 55 56 57 , 12 | 36 46 , 38 49 50 , 71 14 68 | 30 29 54 32 31 33 | 25 17 26 60 52 61 | 40 41 42 , 27 28 35 , 6" position="1" help="false" />
<input show="false" cmd="true" top="algebra" />
<dockBar show="false" east="false" />
</perspective>
</perspectives>
<labelingStyle val="1"/>
<font size="24"/>
<consProtColumns col0="true" col1="true" col2="false" col3="true" col4="false" col5="true" col6="true" col7="false"/>
<consProtocol useColors="false" addIcons="false" showOnlyBreakpoints="false"/>
<consProtNavigationBar id="1" playButton="true" playDelay="2" protButton="true" consStep="9"/>
</gui>
<euclidianView>
<viewNumber viewNo="1"/>
<size width="992" height="628"/>
<coordSystem xZero="586.4665342241542" yZero="341.0543252255779" scale="5.566948684988737" yscale="5.566948684988737"/>
<evSettings axes="true" grid="false" gridIsBold="false" pointCapturing="0" rightAngleStyle="1" checkboxSize="26" gridType="-1" lockedAxesRatio="1"/>
<bgColor r="255" g="255" b="255"/>
<axesColor r="0" g="0" b="0"/>
<gridColor r="192" g="192" b="192"/>
<lineStyle axes="1" grid="0"/>
<axis id="0" show="true" label="v_A" unitLabel="" tickStyle="2" showNumbers="false"/>
<axis id="1" show="true" label="√kv_B" unitLabel="" tickStyle="2" showNumbers="false"/>
</euclidianView>
<algebraView>
<mode val="3"/>
</algebraView>
<kernel>
<uses3D val="true"/>
<continuous val="false"/>
<usePathAndRegionParameters val="true"/>
<decimals val="2"/>
<angleUnit val="degree"/>
<algebraStyle val="3" spreadsheet="0"/>
<coordStyle val="2"/>
</kernel>
<tableview min="-2" max="2" step="1"/>
<scripting blocked="false" disabled="false"/>
<construction title="未命名" author="" date="">
<element type="numeric" label="vA0">
<value val="34"/>
<show object="true" label="true"/>
<objColor r="0" g="0" b="0" alpha="0.10000000149011612"/>
<layer val="0"/>
<labelOffset x="-16" y="-10"/>
<labelMode val="9"/>
<slider min="-100" max="100" absoluteScreenLocation="true" width="200" x="711" y="164" fixed="false" horizontal="true" showAlgebra="true"/>
<lineStyle thickness="10" type="0" typeHidden="1"/>
<animation speed="1" type="0" playing="false"/>
<caption val="v_A_0"/>
</element>
<element type="numeric" label="vB0">
<value val="0"/>
<show object="true" label="true"/>
<objColor r="0" g="0" b="0" alpha="0.10000000149011612"/>
<layer val="0"/>
<labelOffset x="-19" y="-8"/>
<labelMode val="9"/>
<slider min="-100" max="100" absoluteScreenLocation="true" width="200" x="712" y="234" fixed="false" horizontal="true" showAlgebra="true"/>
<lineStyle thickness="10" type="0" typeHidden="1"/>
<animation speed="0.75" type="0" playing="false"/>
<caption val="v_B_0"/>
</element>
<element type="numeric" label="k">
<value val="5.3"/>
<show object="true" label="true"/>
<objColor r="0" g="0" b="0" alpha="0.10000000149011612"/>
<layer val="0"/>
<labelOffset x="-11" y="-5"/>
<labelMode val="1"/>
<slider min="0" max="50" absoluteScreenLocation="true" width="500" x="376" y="609" fixed="false" horizontal="true" showAlgebra="true"/>
<lineStyle thickness="10" type="0" typeHidden="1"/>
<animation step="0.01" speed="1" type="0" playing="false"/>
</element>
<expression label="f" exp="y = (sqrt(k) * x)" type="line" />
<element type="line" label="f">
<show object="true" label="true"/>
<objColor r="101" g="87" b="210" alpha="0"/>
<layer val="0"/>
<labelOffset x="28" y="-8"/>
<labelMode val="3"/>
<fixed val="true"/>
<coords x="-2.3021728866442674" y="1" z="0"/>
<lineStyle thickness="5" type="0" typeHidden="1" opacity="204"/>
<eqnStyle style="user"/>
<caption val="v_A=v_B"/>
</element>
<expression label="eq1" exp="x^(2) + y^(2) = (k * vB0^(2)) + vA0^(2)" type="conic" />
<element type="conic" label="eq1">
<show object="true" label="false" ev="4"/>
<objColor r="97" g="97" b="97" alpha="0"/>
<layer val="0"/>
<labelMode val="0"/>
<fixed val="true"/>
<lineStyle thickness="5" type="0" typeHidden="1" opacity="204"/>
<eigenvectors x0="1" y0="0" z0="1.0" x1="0" y1="1" z1="1.0"/>
<matrix A0="1" A1="1" A2="-1156" A3="0" A4="0" A5="0"/>
<eqnStyle style="user"/>
</element>
<expression label="g" exp="y = ((-k^(-0.5)) * (x - vA0)) + (sqrt(k) * vB0)" type="line" />
<element type="line" label="g">
<show object="true" label="false"/>
<objColor r="46" g="125" b="50" alpha="0"/>
<layer val="0"/>
<labelMode val="0"/>
<fixed val="true"/>
<coords x="0.4343722427630694" y="1" z="-14.76865625394436"/>
<lineStyle thickness="5" type="0" typeHidden="1" opacity="204"/>
<eqnStyle style="user"/>
</element>
<command name="Intersect">
<input a0="g" a1="f"/>
<output a0="C"/>
</command>
<element type="point" label="C">
<show object="false" label="true"/>
<objColor r="97" g="97" b="97" alpha="0"/>
<layer val="0"/>
<labelOffset x="12" y="4"/>
<labelMode val="0"/>
<coords x="14.76865625394436" y="34" z="2.736545129407337"/>
<pointSize val="3"/>
<pointStyle val="10"/>
</element>
<expression label="I" exp="(vA0, (sqrt(k) * vB0))" type="point" />
<element type="point" label="I">
<show object="true" label="true" ev="4"/>
<objColor r="21" g="101" b="192" alpha="0"/>
<layer val="0"/>
<labelOffset x="5" y="44"/>
<labelMode val="1"/>
<coords x="34" y="0" z="1"/>
<pointSize val="5"/>
<pointStyle val="0"/>
</element>
<command name="Mirror">
<input a0="I" a1="f"/>
<output a0="F"/>
</command>
<element type="point" label="F">
<show object="true" label="true"/>
<objColor r="21" g="101" b="192" alpha="0"/>
<layer val="0"/>
<labelOffset x="-63" y="-49"/>
<labelMode val="1"/>
<coords x="-23.206349206349206" y="24.84885020504924" z="1"/>
<pointSize val="5"/>
<pointStyle val="0"/>
</element>
<command name="Textfield">
<input a0="k"/>
<output a0="inputBox1"/>
</command>
<element type="textfield" label="inputBox1">
<show object="true" label="true"/>
<objColor r="0" g="0" b="0" alpha="0"/>
<layer val="0"/>
<labelOffset x="709" y="58"/>
<labelMode val="3"/>
<fixed val="true"/>
<auxiliary val="true"/>
<decimals val="2"/>
<length val="5"/>
<textAlign val="center"/>
<caption val="k="/>
</element>
</construction>
</geogebra>
