How Do You Solve This AS Physics Kinematics Multi-Choice Question?

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Homework Help Overview

The discussion revolves around a multi-choice question related to kinematics, specifically focusing on the relationship between acceleration, distance, and time for an object in motion under constant acceleration.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the use of kinematics equations, particularly questioning the relevance of specific formulas that relate distance, acceleration, and time. Some express uncertainty about how to approach the problem, while others suggest focusing on eliminating incorrect options based on reasoning.

Discussion Status

There is an ongoing exploration of the problem, with some participants providing insights into the kinematics equations that may apply. Guidance has been offered regarding the nature of the question as multiple choice, emphasizing the identification of the correct answer rather than deriving it fully.

Contextual Notes

Participants note the importance of using SI units and the implications of gravitational acceleration in their reasoning. There is a mention of specific values related to an object falling under gravity, which may influence the interpretation of the question.

seiei
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Homework Statement


All included in image provided. As you can see, it's a multi-choice qu


Homework Equations


Acceleration=Velocity/Time
Not sure what else...

The Attempt at a Solution


Uncertain about how to approach this question. Using SI units I eliminated B. Any help would be appreciated. Thanks :D
 

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Are you aware of a kinematics equation (for constant acceleration) that relates distance traveled to acceleration and time?
 
s=1/2at^2 when the initial velocity=0
 
seiei said:

Homework Statement


All included in image provided. As you can see, it's a multi-choice qu


Homework Equations


Acceleration=Velocity/Time
Not sure what else...

The Attempt at a Solution


Uncertain about how to approach this question. Using SI units I eliminated B. Any help would be appreciated. Thanks :D

Note that this is a multiple choice question.
You don't have to find the answer, you only have to find which one of these answers is the answer.

Your experience should tell you that an object falling on Earth [approximating g = 10] will fall to 5m in one second and to 20m in 2 seconds - an extra 15m.

This if a = 10, x = 5 and h = 15 then t1 = 1 and t2 = 2.

Substitute those values in and only one of the options will yield the correct answer.

I repeat - to emphasise:

This is a multiple choice question.
You don't have to find the answer, you only have to identify which one of the offered answers is the correct.

Alternately you can work with the equation you identified and derive the solution.
 

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