The energy attributed to an object by virtue of its motion is known as ________
A) radiative energy B) kinetic energy C) potential energy D) mass-energy
B
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Spiral arms are concentrated at the center of our Galaxy
Indicate whether the statement is true or false
_____ refers to the ability of a telescope to reveal fine detail
A) Focal length B) Magnifying power C) Resolving power D) Spherical aberration
You observe a low-mass helium white dwarf. What can you conclude?
A) It is over 100 billion years old. B) It will soon be a planetary nebula. C) It is part of a binary star system. D) Its core is mostly carbon. E) It was once a blue supergiant.
Would you be richer if you had a hunk of gold whose weight is 1 newton on the moon, or one whose weight is 1 newton on Earth, and why?
A) 1 newton on the moon, because then the gold's weight on the moon would be larger. B) 1 newton on the moon, because then the gold's mass would be larger. C) 1 newton on Earth, because then the gold's mass would be larger. D) 1 newton on Earth, because then the gold's weight on Earth would be larger. E) It wouldn't make any difference, because the amount of actual gold would be the same in both cases.