A Rock Is Thrown Straight Up with a Velocity of 9.81

question 62

Multiple Choice

A rock is thrown straight up with a velocity of 9.81 m/s.Its acceleration at the top of the flight is

• A)0.
• B)-9.81 m/s².
• C)+9.81 m/s².
• D)19.62 m/s².

---

Definitions:

Pioneer Species

The first species to colonize previously disrupted or damaged ecosystems, starting a chain of ecological succession that ultimately leads to a more biodiverse steady-state ecosystem.

Herbivory

The eating of plants by animals, a biological interaction essential for energy transfer in many ecosystems.

Endemic Species

Species that are found only in a specific geographical area and nowhere else in the world.

Exotic Species

Organisms introduced to new environments where they are not naturally found, often causing harm to native species and ecosystems.