From what height was an object dropped?

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Homework Help Overview

The discussion revolves around determining the height from which a ball must be dropped to achieve a specific final velocity of 5.9 m/s just before impact. The subject area is kinematics within physics.

Discussion Character

  • Exploratory, Conceptual clarification, Mathematical reasoning

Approaches and Questions Raised

  • Participants discuss the need for additional context regarding the physics concepts being studied. There is an inquiry into the original poster's previous attempts at solving the problem and suggestions to consider kinematic equations to find the missing variables.

Discussion Status

Some participants have provided guidance on using kinematic equations, while the original poster indicates they have reached a conclusion on their own. However, there is no explicit consensus on the approach taken.

Contextual Notes

The original poster expresses uncertainty about the information available for solving the problem, indicating potential gaps in understanding or application of the relevant physics concepts.

ymehuuh
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Find the height from which you would have to drop a ball so that it would have a speed of 5.9 m/s just before it hits the ground.

vf=5.9
v0=0

Not sure what I can do with only this much information...
 
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Well first of all it would help to know what concepts you're currently covering in your physics class because as far as I can tell, this problem can be solved in a few different ways.

Second of all, what work have you attempted on this problem so far?
 
Use one of the kinematic equations. Think what each equation will do for you. Look at you variables and see what's missing. Then try to find that variable by using the kinematic equations.
 
Figured it out. Used equation S=(v^2-u^2)/2a

THANKS!
 

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