The most accurate Greek attempt to explain planetary motion was the model of
A) Aristotle.
B) Pythagoras.
C) Hipparchus.
D) Ptolemy.
E) Erastothenes.
D
You might also like to view...
Charge: A piece of plastic has a net charge of +2.00 ?C. How many more protons than electrons does this piece of plastic have? (e = 1.60 × 10-19 C)
A. 1.25 × 1013 B. 1.25 × 1019 C. 2.50 × 1013 D. 2.50 × 1019 E. 3.01 × 1023
Which of the following is the strongest evidence in support of the hypothesis that the Solar System was formed by the collapse of a gas and dust nebula?
A. the discovery of extra solar planets B. images of other stars with gas and dust disks surrounding them C. the existence of large clouds D. radiometric dating of dust from the Moon's surface
Which two resistors are in parallel with each other?
a.
R and R4
b.
R2 and R3
c.
R2 and R4
d.
R and R1
Acceleration: If the velocity of an object is zero, then that object cannot be accelerating.
A. True B. False