A fundamental force in nature is the
a. strong interaction
b. weak interaction
c. electromagnetic interaction
d. gravitational interaction
e. all of the above
E
Physics & Space Science
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The basic SI units of angular momentum are:
A. kg·m/s B. kg·m2/s C. kg·m·deg/s D. kg·m2·deg/s E. kg·m3/s F. Something else (specify)
Physics & Space Science
Determine the number of boundary and initial conditions needed to solve the differential equation.
Physics & Space Science
The study of the structure and evolution of the Universe is called ________.
A. archaeology B. cosmology C. astrology D. anthropology
Physics & Space Science
Two mirrors are at right angles to one another. A light ray is incident on the first at an angle of 30° with respect to the normal to the surface. What is the angle of reflection from the second surface?
a. 30° b. 60° c. 45° d. 53° e. 75°
Physics & Space Science