EM2 A positron is located at the coordinates (1,0) cm and an electron is located (0,1) cm. What is the electric potential at the origin? If an alpha particle is located at the origin, what is magnitude and direction of the electric force on the alpha particle?
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- Please help with a, b and cFor the electric dipole in the figure at point P calculate: a) The magnitude and direction of the electric field vector. b) The electric potential.Activity 2 A small particle has charge - 5.00 uC and mass 2.00 x 10 kg. It moves from point A, where the electric potential is V. + 200 V, to point B, where the electric potential is V. = + 800 V. The electric force is the only force acting on the particle. The particle has speed 5. 00 m/s at point A. What is its speed at point B?
- A E . B X Choose true or false for each statement below about the uniform electric field shown above. true The electrostatic force on a charge is the same at points A and B true The potential difference between points A and B is the same as between points C and B. true The kinetic energy of a positive charge moved from point A to point B will decrease. false The plate on the right is positively charged true ✓ The potential energy of a negative charge moved from point A to point B will increase. Submit Answer Incorrect. Tries 1/2 Previous TriesA small particle has charge -4.60 µC and mass 1.70x10-4 kg. It moves from point A, where the electric potential is VA = 300 V, to point B, where the electric potential VB = 820 V is greater than the potential at point A. The electric force is the only force acting on the particle. The particle has a speed of 6.00 m/s at point A. Part A What is its speed at point B? Express your answer in meters per second. For related problemsolving tips and strategies, you may want to view a Video Tutor Solution of Electric force and electric potential. m/s Part B Is it moving faster or slower at B than at A? Faster Slower 圓please include diagram
- What is the potential energy going to be?Part A A +4.0 µC charge is 22 cm to the right of a -7.8 µC charge. Determine the potential at the midpoint between the two charges. Express your answer to two significant figures and include the appropriate units. µẢ Vmid = Value Units Submit Request Answer Part B Determine the direction of the electric field at the midpoint between the two charges. O to the left. O to the right. Submit Previous Answers v Correct Part C Determine the magnitude of the electric field at the midpoint between the two charges. Express your answer to two significant figures and include the appropriate units. µA ? Emid = Value UnitsThe figure shows an electron entering a parallel-plate capacitor with a speed of 5.7×106 m/s. The electric field of the capacitor has deflected the electron downward by a distance of 0.618 cm at the point where the electron exits the capacitor. (Figure 1) Figure V + + + -2.25 cm- + + É + + + < 1 of 1 0.618 cm + Part A Find the magnitude of the electric field in the capacitor. 15| ΑΣΦ 3 E- 3662.75 ! Your answer should not contain commas. No credit lost. Try again. Part B Submit Previous Answers Request Answer www ||| ΑΣΦ v=6.36• 106 Submit Find the speed of the electron when it exits the capacitor. Provide Feedback www. ? Previous Answers Request Answer ? N/C m/s X Incorrect; Try Again; 29 attempts remaining Review your calculations and make sure you round to 3 significant figures in the last step.
- A particle, Q, with a charge of +10.8 nC is isolated from all other charged objects. Point A is 1.1 cm to the right of the charge. Point B is 1.1 cm below the charge. Point C is 3.9 cm to the left of the charge. a. What is the electric potential at points A, B, and C? b. What is the potential energy of an electron at each point in eV and joules? c. If an electron is placed at rest at point C, what will be the force on and acceleration of the electron (magnitude and direction)?B1A wire of charge Q1 is bended into the shape of a semicircular wire of radius R, and located in a two dimensional xy-coordinate system as shown in the figure. A point charge of Q2 is located at (0, R/4.6) in this coordinate system. What is Q2/Q1 if the electric potential at point O is zero? Provide your answer with two decimal place. Q1 R