The 1964 experiment that checked the validity of the principle of the constancy of lightspeed involved
A) a NASA satellite that emitted radiation both forward and backward.
B) jet planes carrying a highly accurate atomic clock, and a similar clock on Earth.
C) a fast-moving sub-atomic particle that emitted radiation both forward and backward.
D) the emission of light from two atoms that were at rest on Earth.
E) comparison of the speeds of two parallel light beams, one emitted on Earth and other emitted from a jet airplane.
Question 2
A heavy sled and a light sled, both moving horizontally with the same speed, suddenly slide onto a rough patch of snow and eventually come to a stop.
The coefficient of kinetic friction between the sleds and the rough snow is the same for both of them. Which of the following statements about these sleds are correct? (There could be more than one correct choice.)
A) The friction from the snow will do more negative work on the heavy sled than on the light sled.
B) The light sled will slide farther on the rough snow than the heavy sled.
C) The heavy sled will slide farther on the rough snow than the light sled.
D) Both sleds will slide the same distance on the rough snow before stopping.
E) The friction from the snow will do the same amount of work on both sleds.
These examples of stimuli were used in the experiment by Vinckier et al. (2007). Mouton is the Frenc
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Physics - Pressure, Density, Pascal's Principle