What is a substance?

A. a uniform mixture that can't be separated

OB.

a mixture that can be separated

C. a single component that can't be separated

D.

a single component that can be separated

Undo

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A 0.63kg mass rests on top of a vertical spring with spring constant 65N/m. When the mass sits at rest, determine the distance that the spring is compressed from it's equilibrium position.

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