Answer:

The four requirements of the production of goods and services are land, labour, money, physical capital, human capital.

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Answer:

The quantity φ is called the phase constant. It is determined by the initial conditions of the motion. If at t = 0 the object has its maximum displacement in the positive x-direction, then φ = 0, if it has its maximum displacement in the negative x-direction, then φ = π.

Explanation:

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