A charge of Q1 = -3.0 µC is fixed in place. From a horizontal distance of S = 0.045m a particle of mass m = 7.2x103 kg and charge Q2 = -8.0 µC is fired with an initial speed of Vo = 65 m/s directly towards the fixed charge Q1. What is the minimum distance between Q1 and Q2 before Q1 flips its direction of motion? O 0.0054 m O 0.0108 m O 0.0207 m O 0.0309 m 0.0385 m O 0.0285 m

A point charge q1=5.00μC is held fixed in space. From a horizontal distance of 8.00 cmcm, a small sphere with mass 4.00×10^−3 kg and charge q2=+2.00μC is fired toward the fixed charge with an initial speed of 45.0 m/sm/s. Gravity can be neglected. What is the acceleration of the sphere at the instant when its speed is 22.0 m/sm/s?

A small sphere of mass m = 6.20 g and charge q₁ = 30.4 nC is attached to the end of a string and hangs vertically as in the figure. A second charge of equal mass and charge q₂ = -58.0 nC is located below the first charge a distance d = 2.00 cm below the first charge as in the figure. 91 92 (a) Find the tension in the string. N (b) If the string can withstand a maximum tension of 0.180 N, what is the smallest value d can have before the string breaks? cm

23.46 CP A point charge q1 = +5.00 µC is held fixed in space. From a horizontal distance of 6.00 cm, a small sphere with mass 4.00 × 10³ kg and charge q2 = +2.00 μC is fired toward the fixed charge with an initial speed of 40.0 m/s. Gravity can be neglected. What is the acceleration of the sphere at the instant when its speed is 25.0 m/s?

Two parallel plates are separated ?=0.00375 mx=0.00375 m and have a potential difference of ?=1610 V.V=1610 V. A small ball with mass ?=9.10×10−12 kgm=9.10×10−12 kg is placed between the two plates and remains motionless and floating between the plates. From the overall charge on the ball, determine the number of electrons ?ene the ball has gained or lost. The acceleration due to gravity is ?=9.81 m/s2,g=9.81 m/s2, and the elementary unit of charge is ?=1.60×10−19 C.

The ball of mass m = 2.00 g has a drag coefficient of D = 0.500 and a radius of r = 1.00 cm, and carries a charge of 3.75 µC. The density of air surrounding the ball is ) = 1.20 kg/m. Divide your group in two and have one subgroup solve part (a) and the other part (b). (a) Group (i): The wind blows to the right in the figure at a speed of 10.0 m/s. What angle (in degrees) does the string make with the vertical? (b) Group (ii): The wind shifts so that it blows into the page at the same speed. Now what angle (in degrees) does the string make with the vertical? Now gather your group together again and answer the following. (c) In part (b), what angle (in degrees) does the string make with the plane of the page when looking at the figure?

How much work is required to set up the four-charge configuration of the figure if q = 3.59 pC, a = 74.0 cm, and the particles are initially infinitely far apart and at rest? +1 -9 +q

Now it's your turn Four charged particles are placed so that each particle is at the corner of a square. The sides of the square are 15 cm. The charge at the upper left corner is +3.0 µC, the charge at the upper right corner is -6.0 μC, the charge at the lower left corner is -2.4 µC, and the charge at the lower right corner is -9.0 μC. a. What is the net electric force on the +3.0 µC charge? b. What is the net electric force on the -6.0 µC charge? c. What is the net electric force on the-9.0 uC charge?

Two identical small spheres of mass 1.10 g each carry equal charge (sign and magnitude) and are placed 3.60 cm apart. When released, each sphere experiences an instantaneous acceleration of 419 m/s². Determine the magnitude of the charge on one of the spheres. Report your answer in nC. (1 nC = 1.00×10-⁹ C and k = 8.99x10⁹ Nm²/C²)

As stated in pic