A Ball Is Tossed Vertically Upward

question 25

Multiple Choice

A ball is tossed vertically upward.When it reaches its highest point (before falling back downward)

• A) the velocity is zero, the acceleration is directed downward, and the force of gravity acting on the ball is directed downward.
• B) the velocity is zero, the acceleration is zero, and the force of gravity acting on the ball is zero.
• C) the velocity is zero, the acceleration is zero, and the force of gravity acting on the ball is directed downward.
• D) the velocity and acceleration reverse direction, but the force of gravity on the ball remains downward.
• E) the velocity, acceleration, and the force of gravity on the ball all reverse direction.

Understand the concept of market equilibrium and how it is represented graphically.

Recognize the factors that can lead to shifts in market demand and supply.

Analyze the short-run and long-run effects of changes in demand and supply on market equilibrium.

Identify the conditions for long-run equilibrium in competitive markets.

---

Definitions:

REM Sleep

A stage of sleep characterized by rapid eye movement, increased brain activity, and vivid dreams, playing a role in memory consolidation and emotional processing.

Beta Waves

Brain waves that are present during awake, alert states of consciousness and are associated with concentration, arousal, and cognition.

Beta Waves

Brainwave patterns associated with active, alert state of mind, characteristic of waking consciousness.

REM Sleep

A sleep phase characterized by rapid eye movement, during which dreams often occur, and the body experiences decreased muscle tone.