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Question 1: Three charged particles in the diagram are at the vertices of an isosceles triangle, where d =2.00cm. Take q = 7.00MC. Calculate the

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Question 1: Three charged particles in the diagram are at the vertices of an isosceles triangle, where d =2.00cm. Take q = 7.00MC. Calculate the following: A. the net force on the positive charge. B. the electrical potential at point A. 2d - 9 1 -q Question 2: Two spheres with masses 1.00x10"g is hanging by a thread with length L=1.8m as shown below. If these two spheres have a charge of q =8.00MC, determine the angle separation, 0. L + Question 3: Determine the voltage needed to accelerate a particle with a mass of 3.20x10"g with a charge of q =5.00uC to a speed of 2.0x10*m / sQuestion 4: A neutral sphere is fixed at a location. A smaller sphere, with a mass of 3.00x10*g, that has a charge q =8.00uC was brought to a distance of 5.00 cm away from that neutral sphere. Another sphere with a charge of O =20.00/C makes a contact with the neutral sphere and was then taken far away from the sphere. A. Determine the electric field and electric energy at a point that is 5.00 cm from the neutral sphere. B. When the small sphere was letting go to get to a position that is 10.0 cm away from the neutral sphere, determine the velocity of the small sphere. C. What is the final velocity of the small sphere when it is far away from the neutral sphere? Question 5: A small droplet with mass of m, initially at rest from the bottom of the plate is accelerating upwards. While it is at the middle of a parallel plate, as shown in the diagram, the velocity is v. A voltage of magnitude V is applied across the parallel that has a separation distance of 2d . Determine an expression for the number of excess electrons, N, on the droplet. + + + + + + +++++++

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