A Model Car Is Propelled by a Cylinder of Carbon

question 30

Multiple Choice

A model car is propelled by a cylinder of carbon dioxide gas.The cylinder emits gas at a rate of 4.5 g/s with an exit speed of 80.0 m/s.The car has a mass of 200 g,including the CO₂ cylinder.Starting from rest,what is the car's initial acceleration?

• A) 0.90 m/s²
• B) 1.8 m/s²
• C) 9.0 m/s²
• D) 36 m/s²

---

Definitions:

Deforestation

The removal of trees and forests, typically for agriculture or urban development.

Biodiversity

The variety of life in the world or in a particular habitat or ecosystem, indicating the health and resilience of biological systems.

Water Supplies

The availability of water resources to meet the consumption needs of individuals, communities, and ecosystems.

National Parks

Designated natural areas protected for public enjoyment and preservation of wildlife, usually operated by national governments.