A Projectile Is Fired from the Edge of a Cliff

question 88

Multiple Choice

A projectile is fired from the edge of a cliff as shown in the figure. The initial velocity components are 940 m/s (horizontal) and 96 m/s (vertical) . The projectile reaches maximum height at point P
And then falls and strikes the ground at point Q. How high is point P above point Q, assuming no
Air resistance?

• A) 45,000 m
• B) 490 m
• C) 90,000 m
• D) 940 m
• E) 470 m

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Definitions:

Variable Ratio Schedules

Are ratio schedules in which the number of times a behavior must occur before it is rewarded changes over time.

Variable Interval Schedules

Are interval schedules in which the amount of time that must pass before a reward is given can change from one reward period to another.

Fixed Ratio Schedules

Are ratio schedules in which the number of times a behavior must occur before it is rewarded remains constant over time.

Reinforcement Theory

A motivational theory suggesting that behavior is driven by its consequences, with rewards increasing the likelihood of repeating behaviors.