Perihelion, the near point to the Sun for the Earth in its orbit, occurs in January. In which of the following months is the orbital angular momentum of the Earth the greatest?
a. only in January
b. only in July
c. in both April and October, but in no other months
d. None of the above answers is correct.
D
You might also like to view...
? star has a radius similar to that of the Sun but half the Sun’s luminosity. What is the surface temperature of this star using this data?
a. 0.84 TSun b. 0.43 TSun c. 1.2 TSun d. 2.4 TSun
A beam of light emerges from water into air at an angle bent
A) towards the normal B) away from the normal. C) in a direction parallel to the normal. D) in a direction perpendicular to the normal. E) not at all.
A person has a mass of 45 kg. How much does she weigh on the Moon, where g = 1.62 m/ s2?
A) 45 N B) 73 N C) 7.4 N D) 220 N E) 440 N
A planet whose distance from the Sun is 3 AU would have an orbital period of how many Earth-years?
A) 3 B) C) D) 9 E) 81