This figure is a diagram of a multiflash image of an air puck moving to the right on a horizontal surface. The images sketched are separated by equal time intervals, and the first and last images show the puck at rest. In figure d, which color graph best shows the puck’s acceleration as a function of time?
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The Miller experiment is important because:
A) it shows that complex organic molecules form naturally in a wide variety of circumstances. B) it shows that complex organic molecules need optimum conditions for their formation. C) it shows that lightning, sunlight, and hot lava pouring into the oceans can tremendously hinder the formation of complex molecules. D) it shows that complex organic molecules can become extremely unstable in the presence of ultraviolet radiation.
A single-slit experiment uses light of wavelength 720. nm with a slit separation of 0.250 mm and a screen placed 2.7 m away
(a) What is the angular width of the central fringe? (b) What is the linear width of the central fringe on the screen? (c) What is the linear distance on the screen between the central maximum and the 1st order maximum?
Based on the leading scientific theory of solar system formation, which of the following statements best explains why Uranus and Neptune have a significantly different composition than Jupiter and Saturn?
a. Jupiter and Saturn captured more gas from the solar nebula than Uranus and Neptune. b. The lower masses of Uranus and Neptune allowed more of their hydrogen and helium gas to escape into space. c. The lower temperatures at the locations of Uranus and Neptune allowed more material to condense into solid form. d. Jupiter and Saturn formed closer to the Sun, where there was more hydrogen and helium gas and
What type of bond is formed whenever atoms share a pair of electrons?
a. covalent b. hydrogen c. ionic d. double e. peptide