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- Terrence holds the red voltmeter probe 8cm above a point charge q=+3nC, and holds the black probe 4cm below that charge. Select two answers What difference in electric potential does he measure across the two probes? a. The black probe is at a higher voltage b. zero V c. 337.5 V d. 675 V e. 1012.5 vIn the figure, a proton is fired with a speed of 200,000 m/s from the midpoint of the capacitor toward the positive plate. a. Show that this is insufficient speed to reach the positive plate. b. What is the proton’s speed as it collides with the negative plate?I need help for these questions, I am studying for the physics exam and I couldn't solve this questions which are in the study plan of physics-102. Thanks in advance.
- 1. An eletrostatic paint sprayer consists of a charged metal sphere. Charged paint droplets (the sign the same as the metal sphere) are shot towards the metal sphere using a paint gun. The paint droplets repel and move towards a grounded object that needs to be painted. In the figure below, an electrostatic paint sprayer has a 0.3 m diameter metal sphere at a potential V sphere of 25 kV that repels paint droplets onto a grounded wall. Vwall=0 (a) What charge is on the sphere? C Qsphere 9 drop paint drop repelled to the wall Vsphere с (b) What charge must a 0.1 mg drop of paint have to arrive at the object with a speed of 8 Electrostatic Paint SprayerA 55 pF capacitor is charged to a potential difference of 500 V. Its terminals are then connected to those of an uncharged 15 pF capacitor. Part 1 What is the original charge on the 55 pF capacitor? Enter your answer in units of nC. number (rtol=0.03, atol=1e-08) nC Part 2 What is the charge on the 55 pF capacitor after the connection is made? Enter your answer in units of nC. Q1 = number (rtol=0.03, atol=1e-08) nC Part 3 What is the charge on the 15 pF capacitor after the connection is made? Enter your answer in units of nC.For the following situations, consider moving a positive charge from very far away to the origin along the y-axis. For which situation would you do the most work?