المساعد الشخصي الرقمي

مشاهدة النسخة كاملة : ضرووووووري جدا



badooo
10-06-2011, 09:40 PM
السلام عليكم ورحمة الله وبركاته
الله يعاااااااافيكم ابي حل للمسائل ذي تكفوووووون ضروري واسرع وقت
1.The nucleus in an iron atom has a radius of about 4x10-15 m and contains 26 protons
(a) What is the magnitude of the repulsive electrostatic force between two of the protons that are separated by 4x10-15m?
(b) What is the magnitude of the gravitational force between those same two protons?
2.What is the magnitude of a point charge that would create an electric field of 1 N/C at points 1 m away?
3.Object A has a charge of +6 C, and object B has a charge of +12 C. Which statement is true? (a) FAB= -2FBA (b) FAB= -FBA (c) 2FAB= -FBA
4.Describe the electric field interaction between the two charges in each case of the below:

badooo
10-06-2011, 09:41 PM
1.The nucleus in an iron atom has a radius of about 4x10-15 m and contains 26 protons
(a) What is the magnitude of the repulsive electrostatic force between two of the protons that are separated by 4x10-15m?
(b) What is the magnitude of the gravitational force between those same two protons?
2.What is the magnitude of a point charge that would create an electric field of 1 N/C at points 1 m away?
3.Object A has a charge of +6 C, and object B has a charge of +12 C. Which statement is true? (a) FAB= -2FBA (b) FAB= -FBA (c) 2FAB= -FBA
4.Describe the electric field interaction between the two charges in each case of the below: