اسئلة فيزياء مهمة من الدوري الثاني ارجو الحل

[عزجهينة]

هذي مسائل فيزياء من الاختبار الدوري الثاني ارجو الحل مع ذكر طريقة الحل
two projctilies is fired from the ground at 45 above the horiziontal surface if it reaches the ground at 50 m from the starting point the intial velocity is ?

two projictiles are in flight at the same time the acceliration of one relative to the other ?

a block is intilaly at a speed 9.8 m/s on a rough horizontal surface if come to rest in a distance of 49m the coefficion of friction between the block and the surface is ?

a particle moves at constant speed in a horizontal circle of radus 8m makeing a complete circle in 5 s the acceleration is ?


a forward horizontal force of 20 n is used to pull a 200 n crate at constant velocity across a horizontal floor the cofficent of friction is ?

وش معنى frictional و ش هي مفردات خشن غير كلمة rough

اعرف اني كثرت عليكم اتمنى الرد لان اختبارنا بكرة