Carbon-14 Dating: How many protons, neutrons, and nucleons are there in a carbon-14 nucleus?
What will be an ideal response?
6 protons, 8 neutrons, 14 nucleons
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Index of Refraction: If the index of refraction of a material is 2, this means that light travels
A. 2 times as fast in air as it does in vacuum. B. 2 times as fast in the material as it does in air. C. 2 times as fast in vacuum as it does in the material. D. 2 times as fast in the material than it does in vacuum. E. 1/2 as fast in air as it does in the material.
Gaps in the asteroid belt (often called Kirkwood gaps) are caused by
A) orbital resonances with Jupiter. B) tidal forces from the Sun. C) tidal forces from Jupiter. D) the competing gravitational tugs of Mars and Jupiter.
A message from relativity theory is that slowing the aging process
A) can occur with correct applications of physics. B) would occur if you fell into a bottomless mine shaft. C) can only happen to "the other guy."
Isaac Newton's contributions to physics include
a. the laws of motion. b. the law of universal gravitation. c. invention of the calculus. d. the invention of the reflecting telescope. e. all of the above.