A negative charge Q1 = -2 µC is fixed (cannot move) at the origin (x = 0). Another particle with a negative charge of Q2 = -1.5 µC is released at c = 0.2 m with the initial velocity of v = 3.0 m/s moving toward the +x direction. The electric force is the only force exerted on the particle. The mass of the particle is 0.1 kg. (a) What is the change of electric potential energy of the particle when the particle is very far away from Q1? x = 0 x = 0.2 m (b) What is the speed of the particle when the particle far away from Q1? v = 3 m/s Q1 Q2 is very

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A negative charge Q1 = -2 µC is fixed (cannot move) at the origin (x = 0).
Another particle with a negative charge of Q2 = –1.5µC is released at x = 0.2 m with the
initial velocity of v = 3.0 m/s moving toward the +x direction. The electric force is the only
force exerted on the particle. The mass of the particle is 0.1 kg.
%3D
(a) What is the change of electric potential energy of
the particle when the particle is very far away from Q1?
x = 0
x = 0.2 m
(b) What is the speed of the particle when the particle
is very far away from Q1?
v = 3 m/s
Q2
Q1
Change of the potential energy =
Speed =
1
Transcribed Image Text:%3D A negative charge Q1 = -2 µC is fixed (cannot move) at the origin (x = 0). Another particle with a negative charge of Q2 = –1.5µC is released at x = 0.2 m with the initial velocity of v = 3.0 m/s moving toward the +x direction. The electric force is the only force exerted on the particle. The mass of the particle is 0.1 kg. %3D (a) What is the change of electric potential energy of the particle when the particle is very far away from Q1? x = 0 x = 0.2 m (b) What is the speed of the particle when the particle is very far away from Q1? v = 3 m/s Q2 Q1 Change of the potential energy = Speed = 1
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