Physics

Question 1

Critical Mass

Answer 1

The smallest amount of fissile material needed for a sustained nuclear chain reaction.
Social dynamics -> a sufficient number of adopters of an innovation in a social system so that the rate of adoption becomes self-sustaining and creates further growth.

Question 2

Activation Energy

Answer 2

The minimum energy which must be available to a chemical system with potential reactants to result in a chemical reaction.

Question 3

Catalyst

Answer 3

A substance which increases the rate of a chemical reaction.

Question 4

Theory of Constraints

Answer 4

Any manageable system is being limited in achieving more of its goals by a very small number of constraints.

Question 5

Inertia

Answer 5

The tendency of objects to keep moving in a straight line at constant velocity.

Question 6

Half-life

Answer 6

The time required for a quantity to reduce to half its initial value.