Homework 1

# Homework 1 - gonzales(pag757 Homework 1 Homann(56745 This...

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gonzales (pag757) – Homework 1 – Hoffmann – (56745) 1 This print-out should have 20 questions. Multiple-choice questions may continue on the next column or page – find all choices before answering. 001 10.0 points There are two identical small metal spheres with charges 12 . 8 μ C and - 8 . 96398 μ C. The distance between them is 8 cm. The spheres are placed in contact then set at their original distance. Calculate the magnitude of the force between the two spheres at the final position. The Coulomb constant is 8 . 98755 × 10 9 N · m 2 / C 2 . Answer in units of N. 002 10.0 points Charge Q is on the y axis a distance a from the origin and charge q is on the x axis a distance d from the origin. What is the value of d for which the x component of the force on q is the greatest? 1. d = q Q a 2. d = 0 3. d = q Q 2 a 4. d = q Q a 2 5. d = a 2 6. d = a 7. d = 2 a 8. d = q Q a 2 9. d = a 2 003 (part 1 of 2) 10.0 points A strong lightning bolt transfers about 26 . 95 C to Earth.

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