A block rests on a horizontal, frictionless table. It is attached to a spring an
ID: 1551927 • Letter: A
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 E) represent the two extremes of the motion of the block. Point A represents the equilibrium position. Evaluate each statement below as positive, negative, or zero.
The kinetic energy of the block at location D is ____.
The kinetic energy of the block at location A is ____.
The potential energy of the spring at location E is ____.
The kinetic energy of the block at location B is ____.
The potential energy of the spring at location A is ____.
T T T EquilibriumExplanation / Answer
The kinetic energy of the block at location D is positive
The kinetic energy of the block at location A is positive
The potential energy of the spring at location E is Negative
The kinetic energy of the block at location B is zero
The potential energy of the spring at location A is zero
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