Is the momentum of a system always conserved?

Is the momentum of a system always conserved? In collisions between two isolated objects Newton’s third law implies that momentum is always conserved. Thus the total momentum of the system just before the collision is the same as the total momentum just after the collision. Is momentum ever not conserved? Momentum is not conserved if […]

What are Cabinet department leaders responsible for?

What are Cabinet department leaders responsible for? Established in Article II, Section 2 of the Constitution, the Cabinet’s role is to advise the President on any subject he may require relating to the duties of each member’s respective office. What was the purpose of George Washington’s Cabinet? What was the purpose of Washington’s cabinet? It […]

Why are infants referred to as belly breathers?

Why are infants referred to as belly breathers? Infants are often referred to as “belly breathers” because: their rib cage is less rigid and the ribs sit horizontally. An infant or small child’s airway can be occluded if it is overextended or overflexed because: the occiput is proportionately large and the trachea is flexible. When […]

Why is studying collective behavior difficult?

Why is studying collective behavior difficult? Collective Behavior is difficult to study because: (1) There are so many different types – making it hard to recognize any “rules” or explanations that apply to all. Riots, mobs, panics, and mass hysteria are all unique social phenomena. AND, each instance of a riot, mob, or panic is […]

What was the goal of the big stick policy?

What was the goal of the big stick policy? The idea is negotiating peacefully but also having strength in case things go wrong. Simultaneously threatening with the “big stick”, or the military, ties in heavily with the idea of Realpolitik, which implies a pursuit of political power that resembles Machiavellian ideals. What was an example […]

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