A 050-Kg Block Attached to an Ideal Spring with a Spring

question 3

Multiple Choice

A 0.50-kg block attached to an ideal spring with a spring constant of 80 N/m oscillates on a horizontal frictionless surface. When the spring is 4.0 cm longer than its equilibrium length, the speed of the block is 0.50 m/s. The greatest speed of the block is:

• A) 0.23 m/s
• B) 0.32 m/s
• C) 0.55 m/s
• D) 0.78 m/s
• E) 0.93 m/s

Understand the concept of reinforcement and its role in operant conditioning.

Recognize the adaptive value of conditioned responses in natural environments.

Understand the basic principles of operant conditioning.

Identify and differentiate between types of reinforcers (positive, negative, primary, secondary).

---

Definitions:

Kyphosis

Exaggeration of the posterior curvature of the thoracic spine.

Thoracic Spine

The portion of the spine located in the upper and middle back, consisting of twelve vertebrae.

Vertebral Rotation

The twisting movement of the vertebrae around the spinal axis, often discussed in the context of spinal deformities or injuries.

Erythema

Redness or inflammation of the skin or mucous membranes that is a result of dilation and congestion of superficial capillaries; sunburn is an example.