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 D and C) represent the two extremes of the motion of the block. Point E represents the equilibrium position. Evaluate each statement below. The kinetic energy of the block at location D is ____. The kinetic energy of the block at location E is ____. The potential energy of the spring at location A is ____. The potential energy of the spring at location E is ____. The kinetic energy of the block at location A is ____.

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 D and C) represent the two extremes of the motion of the block. Point E represents the equilibrium position. Evaluate each statement below. The kinetic energy of the block at location D is ____. The kinetic energy of the block at location E is ____. The potential energy of the spring at location A is ____. The potential energy of the spring at location E is ____. The kinetic energy of the block at location A is ____.

Explanation / Answer

The kinetic energy of the block at location C is zero
The kinetic energy of the block at location E is positive
The kinetic energy of the block at location D is zero
The potential energy of the spring at location E is zero
The potential energy of the spring at location A is positive

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