Based on our current knowledge of the motions of Uranus and Neptune, it is obvious that Pluto's discovery was a triumph of physics, on par with Adams and Leverrier's work in finding Neptune
Indicate whether the statement is true or false
FALSE
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It takes light 1.3 seconds to travel from the moon to Earth and 8 minutes to travel from the sun to Earth. Which of the following statements is true?
a. The sun is 6.2 times further from Earth than the moon. b. The sun is 10 times further from Earth than the moon. c. The sun is 0.16 times further Earth than the moon d. The sun is 0.10 times further from Earth that the moon. e. The sun is 370 times further from Earth than the moon.
The thermal pressure in an object increases when the temperature increases, but the degeneracy pressure does not
Indicate whether the statement is true or false
The fact that two electrons cannot occupy the same quantum state at the same time is the Heisenberg exclusion principle
a. True b. False Indicate whether the statement is true or false
Linus claims that the added gravitational force of neutrons holds the particles in a nucleus together. Linnea says that they stick together because they lose their electric charge when they form a nucleus. Which one, if either, is correct, and why?
a. Linus, because more particles exert gravitational forces on one another than exert electromagnetic forces. b. Linus, because the numerical magnitude of G/ke is 7.42 × 10^?21. c. Linnea, because the numerical magnitude of G/ke is 7.42 × 10^?21. d. Both, because electric charge is lost and then gravity holds the nucleus together. e. Neither, because gravity is not lost, and the numerical magnitude of ke/G is 1.35 × 10^20.