PHY 112 EXAM 1 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS

PHY 112 EXAM 1 ACTUAL 2025/2026 QUESTIONS AND 100% CORRECT ANSWERS A plastic rod is charged up by rubbing a wool cloth, and brought to an initially neutral metallic sphere that is insulated from ground. It is allowed to touch the sphere for a few seconds, and then is separated from the sphere by a small distance. After the rod is separated, the rod... - Answer -is repelled by the sphere A negatively-charged plastic rod is brought close to (but does not touch) a neutral metal sphere that is connected to ground. After waiting a few seconds, the ground connection is removed (without touching the sphere), and after that the rod is also removed. The sphere is now... - Answer -positively charged A glass marble is rubbed against a piece of silk. As a result the piece of fabric acquires extra electrons. What happens to the glass marble? -Need assistance on Online classes, Exams & Assignments? Reach out for instant help!! Full Course Assistance, Plagiarism-free Essay Writing, Research Paper, Dissertation, Discussion Posts, etc…. Confidential & Secure services. Tutors are available for all subjects! Email now at: Answer -The marble has lost the same number of electrons acquired by the piece of silk The marble acquires a positive charge and attracts the piece of silk A negatively-charged rod is brought close to (but does not touch) two neutral spheres that are in contact with each other but insulated from the ground. If the two spheres