Which of the following statements about the ecliptic plane is not true?
A) It is the plane of Earth's orbit around the Sun.
B) It is the plane of the Moon's orbit around Earth.
C) During a solar eclipse, the Moon lies in the ecliptic plane.
D) During a lunar eclipse, the Moon lies in the ecliptic plane.
E) The nodes of the Moon's orbit lie in the ecliptic plane.
B
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The top quark
a. is the only quark not yet detected experimentally. b. has been shown not to exist. c. was discovered at Fermilab. d. none of the above
Thermodynamic Processes: The figure shows a pV diagram for 2.9 g of ideal oxygen gas O2 in a sealed container. The temperature of state 1 is 76°C, the atomic mass of the oxygen atom is 16 g/mol, and R = 8.31 J/mol ? K. What are the temperatures T3 and T4?
A. -11°C and 510°C B. 57°C and 170°C C. 260°C and 790°C D. 38°C and 110°C
Contrast the main mirrors of Newtonian and Cassegrain designs
What will be an ideal response?
Twenty milliseconds is
a. 0.00002 s b. 0.0002 s c. 0.002 s d. 0.02 s e. 20000 s