What is the resultant magnitude and direction of the force on a 7 μC charge situated on the y-axis, 4 cm from the point of origin, due to a pair of 3 μC charges located on the x-axis at opposite sides of the point of origin, each at distance of 4 cm from the point of origin? O a. 85.4 N O b. 83.4 N O c. 27.8 N O d. 83.4 N O e. 82.4 N
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- Two charges of 3.00x10-6 C and -1.25x10-6 C are placed at a separation of 20cm. a. Determine where a third charge should be placed on the line connecting the two charges so that it experiences no net force due to these two charges. b. Determine the acceleration of a proton located mid-way between the two charges. Thank youi. A force of 2.9x1011 N exists between a +4.0 C charge and a -2.0 C charge. How far in space are the charges separated? (a) 0.25 m (b) 0.50 m (c) 5.0 m (d) 2.5 m (e) None of the above. ii. Is the force attractive or repulsive? How do you know? iii. What would happen to the magnitude of the force if the charges were twice as far apart?IP A particle with a mass of 4.0 g and a charge of +5.0x10-2 μC is released from rest at point A in the figure (Figure 1). Figure Ag 3.0 cm во 5.0 cm 4.0 cm OC E 1 of 1 L X > In which direction will this charge move? Positive Y- direction Negative y- direction Negative x-direction Positive x-direction Submit Part B V= Request Answer What speed will it have after moving through a distance of 5.5 cm ? The electric field has a magnitude of 1600 N/C Express your answer using two significant figures. 15. ΑΣΦ SFR P Pearson ? m/s
- 1. Two point charges are located on the x axis of a coordinate system. One point charge (+2mC) is located at x = 0.1 m and the other (+4mC) is located at x = 0.3 m. There are no other charges or force agents anywhere in the vicinity of the charges. Which of the following statements are true? A. Both charges will move toward the origin. B. Both charges will experience the same force magnitude. C. The larger charge will experience a larger force than the smaller charge. D. The larger charge will experience a smaller force. E. The charges will move toward from each other.9Three Charges are arranged as shown, 2 meters apart from each other. All charges are 1C in magnitude, with the signs shown. 2 m () 1 C Đ 1 C 3) The magnitude of the net force on the middle charge is a. Zero c. -2.3x10⁹ J d. 1.1x10¹⁰ J e. -6.8x10⁹ J b. 4.5x10⁹ N c. 2.3x10⁹ N d. 2.8x10⁹ N e. 1.7x10⁹ N 4) The potential energy of this arrangement of charges is a. Zero b. 4.5x10⁹ J 2 m 0: -1 C
- When two point charges are 2.0 cm apart, each one experiences a 1.0-N electric force due to the other charge. If they are moved to a new separation of 8.0 cm, the electric force on each of them is closest to O none of the given choices O 1.0 N. O 0.063 N. O 4.0 N. O 0.25 N.19. If a=3.0 mm, b=4.0 mm, Q₁ = 60 nC, Q₂ = 80 nC, and q=32 nC in the figure, what is the magnitude of the electric force on q? a. b. c. d. e. 1.6 N 1.3 N 1.9 N 2.2 N 0.040 N ID: A 20. Consider an electric dipole. The size of the dipole is small relatve to a point P located at a distance z from the dipole where the electric field is E. At a distance 3 times larger, the electric field is C. 9 times weaker d. 3 times stronger a. 27 times weaker b. 3 times weakerCoulomb’s law for the following problem use k = 9 x 10^9 N.m^2/C^2
- 1. Four 10.0 μC charges are placed at the corners of a square that is 1.0 m on each side. What is the force on a fifth similar charge placed at the center of the square? a. 1.0 N b. 10.0 N c. 5.0 N d. 7.9 N e. 0.0 Nmh.3Two stationay point charges experience a mutual electric force of magnitude 128 N. Subsequently, if the distance between the two point charges is quadrupled while the magnitude of both charges is cut in half, what is the magnitude of the resultant electric force on either charge? a. 18 N b. 2.0 N c. 14 N d. 10 N e. 6.0 N