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 E and B) represent the two extremes of the motion of the block. Point D represents the equilibrium position.

Evaluate each statement below.

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

The kinetic energy of the block at location C is ____.

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

The potential energy of the spring at location C is ____.

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

(Positive, negative, or zero.)

Explanation / Answer

The following statements which are given beow :

(a) The kinetic energy of the block at location B is negative

(b) The kinetic energy of the block at location C is negative

(c) The potential energy of the spring at location D is zero

(d) The potential energy of the spring at location C is negative

(e) The kinetic energy of the block at location D is positive

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