<p><a href="https://phet.colorado.edu/en/simulations/moving-man" style="color:blue; text-decoration:underline">https://phet.colorado.edu/en/simulations/moving-man</a></p> <p>&Omicron;&iota; &mu;&alpha;&theta;&eta;&tau;έ&sigmaf; &mu;&epsilon;&lambda;&epsilon;&tau;ώ&nu;&tau;&alpha;&sigmaf; &tau;&eta;&nu; &pi;&alpha;&rho;&alpha;&pi;ά&nu;&omega; &pi;&rho;&omicron;&sigma;&omicron;&mu;&omicron;ί&omega;&sigma;&eta; &kappa;&alpha;&iota; &kappa;&alpha;&tau;&alpha;&gamma;&rho;ά&phi;&omicron;&nu;&tau;&alpha;&sigmaf; &tau;&alpha; &zeta;&eta;&tau;&omicron;ύ&mu;&epsilon;&nu;&alpha; &sigma;&tau;&omicron; &phi;ύ&lambda;&lambda;&omicron; &epsilon;&rho;&gamma;&alpha;&sigma;ί&alpha;&sigmaf; &pi;&omicron;&upsilon; &tau;&omicron;&upsilon;&sigmaf; έ&chi;&epsilon;&iota; &delta;&omicron;&theta;&epsilon;ί &omicron;&phi;&epsilon;ί&lambda;&omicron;&upsilon;&nu; &nu;&alpha; &delta;&iota;&alpha;&tau;&upsilon;&pi;ώ&sigma;&omicron;&upsilon;&nu; &tau;&iota;&sigmaf; &alpha;&pi;ό&psi;&epsilon;&iota;&sigmaf; &tau;&omicron;&upsilon;&sigmaf; &gamma;ύ&rho;&omega; &alpha;&pi;ό &tau;&eta;&nu; έ&nu;&nu;&omicron;&iota;&alpha; &tau;&eta;&sigmaf; &epsilon;&pi;&iota;&tau;ά&chi;&upsilon;&nu;&sigma;&eta;&sigmaf;.&Omicron;&iota; &mu;&alpha;&theta;&eta;&tau;έ&sigmaf; &delta;&iota;&epsilon;&rho;&epsilon;&upsilon;&nu;&omicron;ύ&nu; &tau;&eta;&nu; έ&nu;&nu;&omicron;&iota;&alpha; &tau;&eta;&sigmaf; &epsilon;&pi;&iota;&tau;ά&chi;&upsilon;&nu;&sigma;&eta;&sigmaf; &mu;έ&sigma;&alpha;&alpha;&pi;ό &tau;&iota;&sigmaf; &psi;&eta;&phi;&iota;&alpha;&kappa;έ&sigmaf; &pi;&rho;&omicron;&sigma;&omicron;&mu;&omicron;&iota;ώ&sigma;&epsilon;&iota;&sigmaf; .&Epsilon;&sigma;&tau;&iota;ά&zeta;&omicron;&upsilon;&nu; &sigma;&tau;&eta;&nu; &mu;&epsilon;&tau;&alpha;&beta;&omicron;&lambda;ή &tau;&eta;&sigmaf; &tau;&alpha;&chi;ύ&tau;&eta;&tau;&alpha;&sigmaf; &kappa;&alpha;&iota; &sigma;&tau;&eta; &sigma;&upsilon;&sigma;&chi;έ&tau;&iota;&sigma;&eta; &tau;&omega;&nu; &delta;&iota;&alpha;&gamma;&rho;&alpha;&mu;&mu;ά&tau;&omega;&nu; &theta;έ&sigma;&eta;&sigmaf; -&chi;&rho;ό&nu;&omicron;&upsilon;, &tau;&alpha;&chi;ύ&tau;&eta;&tau;&alpha;&sigmaf;-&chi;&rho;ό&nu;&omicron;&upsilon; &kappa;&alpha;&iota; &epsilon;&pi;&iota;&tau;ά&chi;&upsilon;&nu;&sigma;&eta;&sigmaf;-&chi;&rho;ό&nu;&omicron;&upsilon;.&nbsp; &Eta; έ&nu;&nu;&omicron;&iota;&alpha; &tau;&eta;&sigmaf; &epsilon;&pi;&iota;&tau;ά&chi;&upsilon;&nu;&sigma;&eta;&sigmaf; &alpha;&pi;&omicron;&tau;&epsilon;&lambda;&epsilon;ί &alpha;&nu;&tau;&iota;&kappa;&epsilon;ί&mu;&epsilon;&nu;&omicron; &mu;&epsilon;&lambda;έ&tau;&eta;&sigmaf; &gamma;&iota;&alpha; &tau;&omicron;&upsilon;&sigmaf; &mu;ά&theta;&eta;&tau;&epsilon;&sigmaf; &tau;&eta;&sigmaf; &Alpha;&nbsp; &Lambda;&upsilon;&kappa;&epsilon;ί&omicron;&upsilon; &sigma;&tau;&alpha; &pi;&lambda;&alpha;ί&sigma;&iota;&alpha; &delta;&iota;&delta;&alpha;&sigma;&kappa;&alpha;&lambda;ί&alpha;&sigmaf; &tau;&eta;&sigmaf; &kappa;&iota;&nu;&eta;&mu;&alpha;&tau;&iota;&kappa;ή&sigmaf;.&nbsp;</p>