Which type of star would have the largest habitable zone?
A) O5V
B) F5V
C) M5V
D) K5II
E) White dwarf
A
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If an operatic aria lasts for 5.75 min, its length expressed in seconds is x s, where x is
A) less than 5.75. B) greater than 5.75.
How much kinetic energy does a proton gain if it is accelerated, with no friction, through a potential difference of 1.00 V? The proton is 1836 times heavier than an electron, and e = 1.60 × 10-19 C
A) 1836 eV B) 1.00 eV C) 1.60 × 10-19 eV D) 1.00 J E) 1836 J
Which of the following are basic postulates of special relativity? (There could be more than one correct choice.)
A) The speed of light is the same for all observers. B) No material object can be accelerated to the speed of light. C) The laws of physics are the same in all inertial reference frames. D) Nothing can travel faster than the speed of light. E) The laws of physics are the same in all reference frames.
If the following graphs are for the same reaction, which one is most likely the one with an added catalyst?
A) a B) b C) c D) d E) All have had catalyst added.