A 90-Kg Halfback Running North with a Speed of 11

question 37

Multiple Choice

A 90-kg halfback running north with a speed of 11 m/s is tackled by a 125-kg opponent running south at 5 m/s.The collision is perfectly inelastic.Compute the velocity of the two players just after the tackle.

• A) 7.5 m/s south
• B) 1.7 m/s south
• C) 1.7 m/s north
• D) 10.4 m/s north
• E) ​7.5 m/s north

---

Definitions:

Punishing

The act of imposing a penalty or negative consequence for an undesirable action or behavior, with the intent of reducing or eliminating that behavior.

Classical Conditioning

A learning process that occurs when two stimuli are repeatedly paired; a response that is at first elicited by the second stimulus is eventually elicited by the first stimulus alone.

Respondent Behavior

Behavior that is elicited by a specific stimulus and is part of the classical conditioning process, such as salivating when smelling food.

Substituting Stimulus

A stimulus that is used to replace another, prompting a similar response in a conditioning experiment or situation.