Two point charges each experience a 1-N electrostatic force when they are 2 cm apart. If they are moved to a new separation of 8 cm, what is the magnitude of the electric force on each of them?
A) 2 N
B) 1/2 N
C) 1/4 N
D) 1/8 N
E) 1/16 N
E
Physics & Space Science
You might also like to view...
Where did most of the chemical elements that make up our bodies come from?
A) The Sun B) Vanished Stars C) The Big Bang D) Other planets
Physics & Space Science
Exclusion Principle: How many unique quantum states correspond to the lowest possible energy level of an electron in the hydrogen atom?
A. 3 B. 0 C. 1 D. 4 E. 2
Physics & Space Science
A 4.00 kg mass is moving in a circular path of radius 4.10 m with a constant angular velocity of 5.00 rad/sec. The centripetal force on the mass is
A. 267 N. B. 294 N. C. 302 N. D. 350 N. E. 410 N.
Physics & Space Science
A simple beam AB with an overhang BC is loaded as shown in the figure. The bending moment at the midspan of AB is approximately:
(A) 8 kN?m
(B) 12 kN?m
(C) 17 kN?m
(D) 21 kN?m
Physics & Space Science