The curved shape of Earth's shadow during an eclipse was evidence for ________.
A. a spherical Earth
B. a flat, circular Earth
C. a flat, circular Moon
D. a spherical Moon
E. None of these choices is correct.
Answer: A
You might also like to view...
What does this diagram represent?
A) a particle and antiparticle colliding and converting all their mass into photons B) two photons spontaneously turning into a particle and an antiparticle C) a blue electron and a red electron turning into to pink light rays D) a particle of ordinary matter and a particle of dark matter colliding and becoming two photons of dark energy
You drop a freely falling body at the equator and at the north pole. The acceleration of the freely falling body at the equator is _______________ the acceleration of the freely falling body at the north pole
Fill in the blank(s) with correct word
A rod (length = 2.0 m) is uniformly charged and has a total charge of 5.0 nC. What is the electric potential (relative to zero at infinity) at a point which lies along the axis of the rod and is 3.0 m from the center of the rod?
a. 22 V b. 19 V c. 16 V d. 25 V e. 12 V
Is it possible to see a waxing crescent moon on the overhead meridian at 10 A.M. local time? How about at 4 P.M. local time? Explain your answers