All nuclei of a given element have the same number of neutrons
Indicate whether the statement is true or false
FALSE
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Pulsars are rapidly spinning
A) regular stars like our Sun. B) red giant stars. C) neutron stars. D) white dwarfs. E) supernova.
Acceleration: The captain orders his starship to accelerate from rest at a rate of "1 g" (1 g = 9.8 m/s2). How many days does it take the starship to reach 10% the speed of light? (Light travels at 3.0 × 108 m/s.)
Fill in the blank(s) with the appropriate word(s).
Which of the following stellar spectral types is cooler than our Sun?
A. K B. F C. O D. G
Two objects, A and B, are placed in thermal contact. The entropy of object A decreases. What can be said about the relationship between the temperatures of the two objects?
a. TA < TB b. TA > TB c. TA = TB d. not enough information to say