A small object has a charge of q = 2e, where e is the charge on an electron. (a) Determine the electric potential (in V) due to the charge at a distance r = 0.360 cm from the charge. V (b) Determine the electric potential difference (in V) between a point that is 2r away and this point, that is V(2r) - V(r). V (c) Determine the electric potential difference (in V) between a point that is 12/23 V (d) How would the answe wers change if the electrons are replaced by protons? O The sign of answer (a) would change. The sign of answer (b) would change. The sign of answer (c) would change. The sign of all answers would change. All answers would remain the same. ✓(1) - V(r). away and this point, that is V

A research Van de Graaff generator has a 2.70 m diameter metal sphere with a charge of 1.11 mC on it. (a) What is the electric potential on the surface of the sphere? (b) At what distance from its center is the potential 3.00 MV? (c) An oxygen atom with three missing electrons is released near the surface of the Van de Graaff generator. What is its kinetic energy in MeV at the distance determined in part (b)? (units: MeV)

A proton with a charge of 1.60 × 10-¹9 C is shot from plate B toward plate A with a speed of 1.5 × 106 m/s. (= 1.0 × 10* V/m, d = 0.0030 m) Draw a picture of situation. (a) What is the electric potential between the plates? (b) What will the speed of the proton be just before it hits plate A?

can u please ans (c) & (d)?

A research Van de Graaff generator has a 3.40 m diameter metal sphere with a charge of 1.02 mC on it. (a) What is the electric potential on the surface of the sphere? (b) At what distance from its center is the potential 1.00 MV? m (c) An oxygen atom with three missing electrons is released near the surface of the Van de Graaff generator. What is its kinetic energy in MeV at the distance determined in part (b)? MeV

An electron is moved from point A, where the electric potential is VA = −126 V, to point B, where the electric potential is VB = −339 V. What is the change in the electric potential energy?

A rod of length L is lying on x-axis with left end at the origin and has a non-uniformly linear charge density of . = 5x. 22. find the electric potential V at A(-4, 0) kdz d2 = adx Hint: dv= (-4,0) ++t 4 ++tl え A

A proton is traveling in an electric field with a speed of 9.36 × 104 m/s. The proton slows down to a temporarily rest where the electric potential is measured to be 2.22 V. What is the electric potential at the initial position?

A charge of +4.20 mC is located at x= 0, y= 0 and a charge of -6.60 mC is located at x= 0, y= 3.00 m. What is the electric potential due to these charges at a point Pwith coordinates x= 4.00 m, y= 0? MV

What is V₁, the electric potential at point B, located at distance d from one end of the rod (on the x axis)? Answer: V (kq/L)ln(1+L/d) L/2 +q L/2 d B