The ____ of the Moon and Sun vary slightly because the orbits of the Moon and Earth are slightly elliptical
a. angular distance
b. linear diameter
c. linear distance
d. angular diameter
e. angular momentum
d
You might also like to view...
What happens to the total relativistic energy of a speedy proton when its relativistic mass doubles?
A) It doubles. B) It more than doubles. C) It less than doubles. D) It must increase, but it is impossible to say by how much.
R-09 insulation provides more resistance to the flow of heat than R-12 insulation
What will be an ideal response?
A block of wood and a block of copper will feel neither hot nor cold to the touch when they each have
A) equal temperatures. B) your temperature. C) equal conductivities. D) none of the above
A small bomb, of mass 10. kg, is moving toward the North with a velocity of 5.0 m/s. It explodes into three fragments:
a 5.0 kg fragment moving West with a speed of 8.0 m/s; a 4.0 kg fragment moving East with a speed of 10. m/s; and a third fragment with a mass of 1.0 kg. What is the velocity of the third fragment? (Neglect air friction.) A) 40 m/s North B) 5.0 m/s South C) 50.m/s North D) zero E) 4.0 m/s North