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The phrase "closed book exam" is enough to make even the most seasoned English Literature student shudder slightly. It's a concept that can set students into a complete panic, keeping them up...

Reversible reactions are reactions where the products are able to react themselves into the reactants. At the beginning of the reaction, there will be more reactants than products. But as the reaction goe...

Simple harmonic motion describes the motion of an object which has an acceleration that is directly proportional to its displacement from the equilibrium point and when the accelerations acts in the oppos...

A simultaneous equation is an equation with 2 unknowns( X and Y). You will have 2 seperate equations. By adding or subtracting the 2 equations, eliminate one of the unknowns(X0). You are now left with ...

A reduction in the interest rate will increase the incentive for consumers to spend money. This increases consumption which increases aggregate demand.

An increase in the interest rate wi...