How did Kepler describe the planets’ orbits?
A The planets’ orbits are circular.
B The p...
Physics, 22.04.2020 20:58 nicoleyakuta
How did Kepler describe the planets’ orbits?
A The planets’ orbits are circular.
B The planets’ orbits are elliptical.
C The planets and the Sun orbit Earth.
D The planets have miniature orbits called epicycles.
Answers: 2
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When a neutrally charged atom loses an electron to another atom, the result is the creation of a. two charged atoms. b. two negatively charged atoms. c. two positively charged atoms. d. two neutrally charged atoms.
Answers: 1
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What is the energy of a photon of ultraviolet radiation with a frequency of 4.4 × 1015 hz? planck’s constant is 6.63 × 10–34
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The diagram shows a wave. the quantity shown is the amplitude. this quantity is directly proportional to which of these other quantities? a) energy b) frequency c) period d) wavelength
Answers: 2
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You are standing on a boat. which of the following strategies will make the boat start moving? a. pushing the mast b. throwing some cargo out of the boat c. pushing the front ofthe boat d. pushing another passenger
Answers: 3
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