Two charged particles near each other are released. As they move, the force on each particle increases. Therefore, the particles have
A) the same sign.
B) the opposite sign.
C) not enough information
Answer: B
You might also like to view...
The figure below shows a planet traveling in a counterclockwise direction on an elliptical path around a star located at one focus of the ellipse. When the planet is at point A,
A. its speed is constant. B. its speed is increasing. C. its speed is decreasing. D. its speed is a maximum. E. its speed is a minimum.
When you blow some air above the upper face of a paper strip, the paper rises. This occurs because
A) the air above the upper face of the paper moves faster, which makes the pressure lower than at the lower face. B) the air above the upper face of the paper moves faster, which makes the pressure higher than at the lower face. C) the air above the upper face of the paper moves slower, which makes the pressure lower than at the lower face. D) the air above the upper face of the paper moves faster but the pressure remains constant. E) the air above the upper face of the paper moves slower, which makes the pressure higher than at the lower face.
To increase the current density in a wire of length l and diameter D, you can
a. decrease the potential difference between the two ends of the wire. b. increase the potential difference between the two ends of the wire. c. decrease the magnitude of the electric field in the wire. d. heat the wire to a higher temperature. e. combine both (b) and (d).
What is dispersion?
a. The reflection of colors off the surface of a bright-colored translucent object, like a jewel. b. The refraction of light as it passes from air into water. c. The separation of colors of light because their waves superpose. d. The separation of light into different colors because of how different colors of light refract differently. e. The combination of a spectrum of colored lights into white light.