9. A 74.0–g block carrying a charge Q=35.0 µC is connected to a spring for which k= 78.0 N/m. The block lies on a frictionless, horizontal surface ww and is immersed in a uniform electric field of magnitude E=4.86 × 10ʻN/ C directed as shown in figure. If the block is released from rest when the x=0 spring is unstretched (r= 0), (a) by what maximum distance does the block move from its initial position? (b) Find the subsequent equilibrium position of the block and the amplitude of its motion. (c) Using conservation of energy, find a symbolic relationship giving the potential difference between its initial position and the point of maximum extension in terms of the spring constant k, the amplitude A, and the charge Q.
9. A 74.0–g block carrying a charge Q=35.0 µC is connected to a spring for which k= 78.0 N/m. The block lies on a frictionless, horizontal surface ww and is immersed in a uniform electric field of magnitude E=4.86 × 10ʻN/ C directed as shown in figure. If the block is released from rest when the x=0 spring is unstretched (r= 0), (a) by what maximum distance does the block move from its initial position? (b) Find the subsequent equilibrium position of the block and the amplitude of its motion. (c) Using conservation of energy, find a symbolic relationship giving the potential difference between its initial position and the point of maximum extension in terms of the spring constant k, the amplitude A, and the charge Q.
Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
Publisher:Raymond A. Serway, John W. Jewett
Chapter20: Electric Potential And Capacitance
Section: Chapter Questions
Problem 76P
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