Two charged objects attract each other with a certain force. If the charges on both objects are doubled with no change in separation, the force between them
A) becomes zero.
B) doubles.
C) halves.
D) quadruples.
E) increases, but we can't say how much without knowing the distance between them.
D
You might also like to view...
The exclusion principle
A. excludes electrons from atomic nuclei. B. means that no two electrons in an atom can have the same orbit. C. implies that in an atom no two electrons can have identical sets of quantum numbers. D. excludes protons from electron orbits.
A satellite coasting at constant speed in a circular orbit
A) is beyond the pull of Earth's gravity B) is nevertheless accelerating. C) undergoes changes in its potential energy. D) none of the above
A 5.00-g bullet is fired into a 950-g block of wood suspended as a ballistic pendulum. The combined mass swings up to a height of 8.00 cm. What was the kinetic energy of the bullet immediately before the collision?
a. 1.4E+2 J b. 1.5E+3 kJ c. 3.9E–3 J d. 1.4E+8 J e. 1.5E+2 J
Charge in an Electric Field: An electron is placed in a uniform electric field of 4.5 × 104 N/C that points to the right. (e = 1.6 × 10-19 C, melectron = 9.11 × 10-31 kg) (a) What are the magnitude and direction of the force on the electron?(b) If the electron is released from rest, what is its speed after 3.0 ps?
What will be an ideal response?