(C) Finding Equilibrium from Two Unknown Masses You will now be given three angles and one mass, and asked to find the other two masses. As before, at the beginning of the lab the mass of a typical nut was given, along with its uncertainty. When you make your measurements you should assess their actual precisions through the normal means. Object # 1 Mass Unknown – find Angle 120° Unknown - find 210° 3 6 nuts 0°

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Special Relativity

The theory of special relativity discusses how space and time are related to objects traveling along a straight line at a constant speed. Simply stated, as an object reaches the speed of light, its mass becomes infinite and it is unable to move faster than light. This interstellar speed limit has been the topic of much debate in astronomy, and also in science fiction when people consider how to fly over large distances.