A real experiment, analogous to the "twin paradox," has actually been done in order to check the predictions of Einstein's relativity. In the experiment,
A) a mass took a trip in a jet plane, while a second identical mass stayed on the ground.
B) two kilograms oscillated on springs, one of them in on Earth and the other in a space satellite.
C) a mouse went on a jet airplane trip and returned, while a second mouse stayed on the ground.
D) a human took a trip in a space satellite, while a second human stayed on Earth.
E) an atomic clock took a trip on a jet plane, while an identical clock stayed on the ground.
E
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The big bang only created hydrogen and helium (with miniscule amounts of lithium) because____
a. gamma ray photons disrupt large nuclei more easily b. antimatter is attracted to large nuclei, leaving only light nuclei c. heavier elements can only be formed through fusion d. elements with an atomic weight of 5 or 8 are unstable e. temperatures were high enough to fuse hydrogen, but not helium
If Schroedinger's equation is applied to the double-slit experiment with electrons, it enables us to predict
A) the exact motion of each electron. B) the slit through which each electron passes. C) the distribution of electric charge within each electron. D) the probability pattern for electron impacts. E) the electromagnetic wave for each electron.
The position of a 0.64-kg mass undergoing simple harmonic motion is given by x = (0.160 m) cos (pt/16). What is its position at t = 6.0 s?
a. 0.160 m c. 0.061 m b. 0.159 m d. 0.089 m
No evidence of impact craters has been found on Venus
Indicate whether the statement is true or false