Free Fall: a Rock Is Dropped from the Top of a Vertical

question 47

Multiple Choice

Free fall: A rock is dropped from the top of a vertical cliff and takes 3.00 s to reach the ground below the cliff. A second rock is thrown vertically from the cliff, and it takes this rock 2.00 s to reach the ground below the cliff from the time it is released. With what velocity was the second rock thrown, assuming no air resistance?

• A) 4.76 m/s upward
• B) 5.51 m/s downward
• C) 12.3 m/s upward
• D) 4.76 m/s downward
• E) 12.3 m/s downward

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Definitions:

Stereotype

A generalized and oversimplified belief about a group of people, ignoring individual differences.

Subtypes

Specific categories or versions within a broader classification system.

Stereotype

Oversimplified generalizations about a group or category of people that often neglect individual diversity and complexity.

Discrimination

The unjust or prejudicial treatment of individuals based on their membership in a particular group or category, such as race, age, or gender.