The Graph Below Shows the Velocity Versus Time Graph for a Ball

question 47

Multiple Choice

The graph below shows the velocity versus time graph for a ball. Which explanation best fits the motion of the ball as shown by the graph?

• A)The ball is falling, is caught, and is thrown down with greater velocity.
• B)The ball is rolling, stops, and then continues rolling.
• C)The ball is rising, hits the ceiling, and falls down.
• D)The ball is falling, hits the floor, and bounces up.
• E)The ball is rising, is caught, and then is thrown down.

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Definitions:

Zajonc's Drive

A theory proposing that the mere presence of others enhances individual performance on simple or well-learned tasks but hinders performance on complex or new tasks.

Triplett

Refers to Norman Triplett's early social psychology experiment that identified the phenomenon of social facilitation, where the presence of others enhances performance on simple tasks.

Synergy

The interaction or cooperation of two or more organizations, substances, or other agents to produce a combined effect greater than the sum of their separate effects.

Mere-Effort Model

A theory suggesting that the mere effort of trying to achieve something can enhance the motivational value of the goal.