Chapter 22: Q. 31 - Excercises And Problems (page 625)
The electric field 2.0 cm from a small object points away from the object with a strength of 270,000 N/C. What is the object’s charge?
Chapter 22: Q. 31 - Excercises And Problems (page 625)
The electric field 2.0 cm from a small object points away from the object with a strength of 270,000 N/C. What is the object’s charge?
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Get started for freeA lightweight metal ball hangs by a thread. When a charged rod is held near, the ball moves toward the rod, touches the rod, then quickly “flies away” from the rod. Explain this behavior.
If you bring your finger near a lightweight, negatively charged hanging ball, the ball swings over toward your finger as shown in FIGURE Q22.12. Use charge diagrams and words to explain this observation.
The electric field at a point in space is
a. What is the electric force on a proton at this point? Give your answer in component form.
b. What is the electric force on an electron at this point? Give your answer in component form.
c. What is the magnitude of the proton’s acceleration?
d. What is the magnitude of the electron’s acceleration?
What are the electric fields at points 1, 2, and 3 in FIGURE P22.63? Give your answer in component form.
Space explorers discover an asteroid that happens to have a positive charge of . They would like to place their spaceship in orbit around the asteroid. Interestingly, the solar wind has given their spaceship a charge of . What speed must their spaceship have to achieve a -diameter circular orbit?
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