2. A uniform cylinder of radius R, mass M, and rotational inertia / is initially at rest. The cylinder is mounted so that it is free to rotate with negligible friction about an axle that is oriented through the center of the cylinder and perpendicular to the page. A light string is wrapped around the cylinder. The string is pulled with a constant force Fo, which causes the cylinder to rotate. After time t = 3 seconds, the string is completely unwound from the cylinder and loses contact with it. R a. Draw a graph of the torque vs time that represents the motion of the cylinder. b. Draw a graph of the angular momentum vs time that represents the motion of the cylinder. c. If F = 15N, R= 0.1m, m = 2 kg and I = 1/2mr, solve for the final Time angular momentum after 3 seconds. Time Angular Momentum anhao

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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.