سالي تحفه
05-05-2012, 17:16
اتمنى من جميع الاعضاء المتواجدين ان يساعدوني في حل هذه المسالة وراح ادعي له بصلاتي بليز ضروري ابغى الحل
Arunner manes one lap around a 20 m track in time of 20s .what were the runner 's :a Average speed b .... Average velocity
Arunner manes one lap around a 20 m track in time of 20s .what were the runner 's :a Average speed b .... Average velocity