A block rests on a horizontal, frictionless table. It is attached to a spring an

Question

A block rests on a horizontal, frictionless table. It is attached to a spring and set into motion. The picture above shows snapshots of the block at 5 different labelled locations during the motion. The two extreme locations (Points B and C) represent the two extremes of the motion of the block. Point E represents the equilibrium position. Evaluate each statement below with the following:

Positive

Zero

Negative

1. The kinetic energy of the block at location B is ____.

2. The kinetic energy of the block at location E is ____.

3. The potential energy of the spring at location D is ____.

4. The kinetic energy of the block at location D is ____.

5. The potential energy of the spring at location E is ____.

Explanation / Answer

1. The kinetic energy of the block at location B is _zero___.

2. The kinetic energy of the block at location E is __Positive__.

3. The potential energy of the spring at location D is __Positive__.

4. The kinetic energy of the block at location D is Positive____.

5. The potential energy of the spring at location E is _zero___.

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