Eclipses do not happen every time the Moon orbits the Earth because. __
A. The Moon is rotating.
B. The Earth is orbiting the Sun.
C. The Moon's orbit is tilted.
D. The Earth's orbit is tilted.

Rohit is trying to tune an instrument

Explain the comparisons between nature and packingtown that appears on pages 81 and 82 answer

Four point charges each having charge q are located at the corners of a square having sides of length a. find symbolic expressions for the following. (a) the total electric potential at the center of the square due to the four charges (use any variable or symbol stated above along with the following as necessary: ke.) vtotal= (b) the work required to bring a fifth charge p from infinity to the center of the square (use any variable or symbol stated above along with the following as necessary: w=