A Potter's Wheel Has the Shape of a Solid Uniform $7.0 \mathrm {~kg}$

question 30

Multiple Choice

A potter's wheel has the shape of a solid uniform disk of mass $7.0 \mathrm {~kg}$ and radius 0.65 m.It spins about an axis perpendicular to the disk at its center.A small 2.1 kg lump of very dense clay is dropped onto the wheel at a distance 0.41 m from the axis.What is the moment of inertia of the system about the axis of spin?

• A)1.8 kg ∙ m²
• B)1.5 kg ∙ m²
• C)0.40 kg ∙ m²
• D)2.5 kg ∙ m²

Describe how interest rates affect present and future values.

Explain the definition and calculation of annuities and their present and future values.

Understand the process and importance of discounting in finding present values.

Recognize how compounding frequency affects the effective interest rate.

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