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In an "atom smasher," two particles collide head on at relativistic speeds. If the velocity of the first particle is 0.741c to the left, and the velocity of the second particle is 0.350c to the right (both of these speeds are measured in Earth's rest frame) , how fast are the particles moving with respect to each other?
Muscle Contractions
The process whereby muscle fibers shorten or lengthen to produce movement or maintain posture as a response to stimulation by nerve impulses.
Dependent Variable
The variable that is being measured in an experiment or study to see if it is affected by changes in another variable.
Perfect-Tasting Pancake
An ideal or most desirable pancake, characterized by optimal flavor according to an individual's preferences.
Psychological Research
The scientific study of mental functions and behaviors aimed at understanding individuals and groups.
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