A Test Rocket at Ground Level Is Fired Straight Up

question 421

Multiple Choice

A test rocket at ground level is fired straight up from rest with a net upward acceleration of 20 m/s². After 4.0 s, the motor turns off but the rocket continues to coast upward with insignificant air
Resistance. What maximum elevation does the rocket reach?

• A) 330 m
• B) 320 m
• C) 490 m
• D) 410 m
• E) 160 m

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Definitions:

Need For Cognition

A psychological trait that describes an individual's inclination towards engaging in and enjoying thinking and analytical activities.

Critically And Analytically

Engaging with information or problems in a way that involves careful judgment and the use of logical reasoning.

Persuadability

The quality or characteristic of being easily influenced or convinced by arguments, appeals, or suggestions.

Education And Intelligence

The process of acquiring knowledge, skills, values, and attitudes through study and experiences, and the ability to apply these cognitive skills towards effective problem-solving and adaptation to the environment.