As a huge rotating cloud of particles in space gravitate together forming an increasingly dense ball, it shrinks in size and
A) rotates slower.
B) rotates at the same speed.
C) rotates faster.
D) cannot rotate.
Answer: C
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The maximum acceleration a pilot can stand without blacking out is about 7.0 g. In an endurance test for a jet plane's pilot, what is the maximum speed he can tolerate if he is spun in a horizontal circle of diameter 85 m?
What will be an ideal response?
The symbol indicating the number of protons in a nucleus is N
Indicate whether the statement is true or false
Answer the following statement(s) true (T) or false (F)
1. We can use the computer method to generate a numerical solution to Schrödinger’s equation for a bound quanton with any energy E. 2. Any mathematical solution to Schrödinger’s equation is a valid energy eigenfunction.
Which of the following best describes Fermi's Paradox?
A) Galactic civilizations seem forbidden by the laws of physics. B) Interstellar travel is possible yet would take an infinite amount of time because of relativistic time dilation. C) We would be unable to detect an Earthlike planet even at a distance of a few light-years. D) Reasonable assumptions predict that a galactic civilization should have already arisen in the Milky Way, yet we have absolutely no evidence for it. E) The Drake equation predicts that there should be no intelligent life in the Milky Way, yet we exist.