One of americans’ most cherished liberties is the right to free speech and expression. nowhere does the tension between security and freedom become more acute than in issues involving claims of sedition. trace the evolution of the court’s position on suppression of speech deemed to be sedition. how have perceived threats to the nation influenced the creation of laws on sedition and the court’s response to those laws? what tests has the court adopted, and how do the tests represent a changing view on the part of the court’s members regarding the balance between security and liberty?

Aloaded platform of total mass 500 kg is supported by a dashpot and by a set of springs of effective stiffness 72 kn/m. it is observed that when the platform is depressed through a distance x = 12.5 cm below its equilibrium position and then released without any initial velocity; it reaches its equilibrium position in the shortest possible time without overshoot. find the position and velocity of the loaded platform 0.10 sec. after its release. if a further load of 400 kg is added to the platform, find, i) the frequency of damped vibrations, and i) the amplitude of vibration after 2 complete oscillations, given that the initial amplitude is 15 cm.

Fluids at rest possess no flow energy. a)- true b)- false

Thermal stresses are developed in a metal when its a) initial temperature is changed b) final temperature is changed c) density is changed d) thermal deformation is prevented e) expansion is prevented f) contraction is prevented