The carbon in your DNA was fused in the first few minutes of the Big Bang
Indicate whether the statement is true or false
FALSE
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In Young's two-slit experiment, the distance between the slits and the screen is 1.10 m and the distance between the slits is 0.0400 mm
If the second order bright fringe is measured to be 4.20 cm from the centerline, what is the wavelength of light? A) 200 nm B) 381 nm C) 401 nm D) 620 nm E) 763 nm
Absorption lines due to interstellar gas
a. are wider than the lines from stars because the gas is hotter than most stars. b. are narrower than the lines from stars because the gas has a lower pressure than stars. c. indicate that the interstellar medium contains dust. d. indicate that the interstellar medium is expanding away from the Sun. e. None of the other choices are correct.
Conservation of Momentum: A 328-kg car moving at 19.1 m/s in the +x direction hits from behind a second car moving at 13.0 m/s in the same direction. If the second car has a mass of 790 kg and a speed of 15.1 m/s right after the collision, what is the velocity of the first car after this sudden collision?
A. 14.0 m/s B. 18.2 m/s C. 24.2 m/s D. -14.0 m/s
The sidereal drive of a telescope mounting must turn the telescope
a. southward about the polar axis. b. eastward about the polar axis. c. westward about the polar axis. d. northward about the polar axis. e. none of the above