ចំនុចរូបធាតុមួយចរពាក់កណ្តាលដំបូងនៃច ម្ងាយចររបស់វាដោយល្បឿនប, = 2 m/s ហើយកំណាត់ផ្លូវ ដែលនៅសល់ វាចរដោយល្បឿន I = 3 m/s ដោយប្រើពាក់កណ្តាលដំបូងនៃរយៈពេលសរុបល ើកំណាត់ផ្លូវ
និងពាក់កណ្តាលចុងក្រោយដោយល្បឿន 4 = 5 m/s ។
នេះ:​

Ben(55 kg) is standing on very slippery ice when junior(25kg) bumps into him. junior was moving at a speed of 8m/s before the collision and ben and junior embrace after the collision. find the speed of ben and junior as they move across the ice after the collision .

The diagram shows four locations in the electric field of a positive point charge m. at which location is the electric potential the greatest.

Which of the following are used in an electrochemical cell? a. electrodes b. electrolyte c. terminals d. all of the above