Coulomb's Law: A proton is located at the point (x = 1.0 nm, y = 0.0 nm) and an electron is located at the point (x = 0.0 nm, y = 4.0 nm). Find the magnitude of the electrostatic force that each one exerts on the other. (k = 1/4??0 = 9.0 × 109 N ? m2/C2, e = 1.6 × 10-19 C)
A. 1.4 × 10-11 N
B. 5.3 × 10-18 N
C. 5.3 × 108 N
D. 5.9 × 10-15 N
Answer: A
You might also like to view...
The Apollo spacecraft had a(n) _______________ tacked on the front of the command module
Fill in the blank(s) with correct word
Suppose that an object doubles its luminosity in 10 hours. What can we conclude?
A) The object must be a quasar. B) The object must be a Cepheid variable star. C) The object is no more than about 10 light-hours across. D) The object must be very far away, making it one of the most luminous objects in the universe. E) The object is being orbited by another object with an orbital period of 10 hours.
Ancient people who knew the saros cycle could
A) predict when they'd see the next total solar eclipse in their area. B) predict what type of eclipse would occur. C) completely predict every lunar eclipse. D) predict when an eclipse would happen, but not necessarily what type and where it would be visible. E) completely predict every solar eclipse.
The particle that orbits the central core inside an atom is the
a. electron b. proton c. neutron d. nucleus e. none of the above