(:title Soccer Goal 1 - Simulator Kits:) (:div1111 class=s9 :)           %c12 mor% A Build your own Simulator Kit for Students - Everything Included! %sol s9%([[#kit|links are at page bottom]])%% >>&<< [table border=1 cellpadding=3 width=100%] [row] []%b exa%Statement of the Problem:%% A soccer player is running down the field in straight line parallel to the sideline. Where is he when the angle for making a goal is at a maximum? [tableend] >>-<< [table border=1 cellpadding=3 width=100%] [row] [] (:showhide init=show div=div51 lshow="+" lhide="-":) %c12 pra%InterActivity 1:Soccer Player Goal Simulator 1 - GeoGebra%% [[http://mathcasts.org/gg/enliven/simulators/soccer/understanding_soccergoalsim1/understanding_soccergoalsim1.html|%reg%Watch Mathcast%%]] (:div51 id=div51 :) (:div style="margin-left:20px":) >>&<<     Click on the Attach:play.png play button (bottom left) '''''or''''' click & drag the slider point %up%bottom%% to animate manually. >>&<<     Find %up%bottom%% when the %dkpink%angle α of success%% is a maximum. (:showhide init=hide div=div52 lshow="+" lhide="-":) %sol s9%More Directions%% (:div52 id=div52 :) *As you click and drag the slider point %up%bottom%% towards the left, notice that the %dkpink%angle α of success%% increases and then it starts to decrease. Move the slider slowly and find the value of %up%bottom%% that makes the %dkpink%angle α of success%% a maximum. (With a goal size %reg%g=1%% and a parallel %pra%side1=2.1%% from the lower goal post, the maximum %dkpink%angle α%% is when %up%bottom=2.55%%.) >>&<< *To reset: click on Attach:GgbActivity./reset.jpg in upper right corner. *To move a slider to step-by-step, click on the slider point '''once''' without moving. It will glow. Use left/right arrow keys. >>&<>&<< *To save, select command: File %exa%->%% SaveAs. *To move a slider to an exact value either: **In the Input Bar (bottom left) type: %reg%variable=value%% (e.g. %reg%bottom=2.55%%) and %exa%hit Enter%% or >>&<< *To see the Algebra View, select command: View %exa%->%% Algebra view *To see the Construction Protocol, select command: View %exa%->%% Construction Protocol (:div52end:) (:html:)
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