A 15-Kg Playground Ball Is Moving with a Velocity of 3

question 10

Multiple Choice

A 1.5-kg playground ball is moving with a velocity of 3.0 m/s directed 30 $\degree$ below the horizontal just before it strikes a horizontal surface.The ball leaves this surface 0.50 s later with a velocity of 2.0 m/s directed 60 $\degree$ above the horizontal.What is the magnitude of the average resultant force on the ball?

• A)14 N
• B)11 N
• C)18 N
• D)22 N
• E)3.0 N

---

Definitions:

Prefrontal Lobotomy

A surgical procedure once used to treat mental disorders, involving the severing of connections in the brain's prefrontal lobe.

Cognitive Functions

The mental processes involved in gaining knowledge and comprehension, including thinking, knowing, remembering, judging, and problem-solving.

Hallucinations

Perceived experiences that occur in the absence of actual sensory stimulation.

Delusions

Systematized false beliefs, often of grandeur or persecution.