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(:title GeoGebra Resources :) %c12%GeoGebra%% - free dynamic mathematics software that joins geometry, algebra and calculus * New - [[ggb/right_tri|I love right triangles]]! * GeoGebra Activities - [[ggbActivity/BoatLanding1|Boat Landing Problem]] (:div1 class="le20" :)    (:showhide init=hide div=div80 lshow='+' lhide='-':) %ans%Read the problem description. (:div80 id=div80 class="pra_bar2" :) [table border=1 width=95% cellpadding=5] [row] []%exa c11%Problem setting:%% A man with a boat at point S at sea wants to get to point Q inland. Point S is distance d1 from the closest point P on the shore, point Q is distance d2 from the closest point T on the shore and point P and T are at a distance of d. %pra c11%Question:%% If the man rows with a speed of {$ v_r $} and walks with a speed of {$ v_w $} at what point R should he beach the boat in order to get from point S to point Q in the least possible time? [c rowspan=2]Attach:Gq/boat_good.jpg [row] [] * [[ggbActivity/BoatLanding1|GeoGebra Simulator & Good Questions for 10th Grade]] * [[gq/CalculusBoatLanding|Extreme-Value Problem for Calculus]] * [[Gq/CalculusBoatLandingProblem|Numeric Root Problem]] [tableend] (:div80end:) (:div1end:) >>-<< * On this wiki: [[ggb/physics| Physics]] * Other resources by LFS on: [[ggb/math247|math247 (many resources + database)]] ---- [[ggb/embed|Embedding a GeoGebra page on PmWiki]] [table width=100% border=0] [row] [][[Main/| Attach:main/tri_purple_up_a.gif ]] [[Main/| Up one level]] [r](:html:) (:htmlend:) [tableend]