I need to use the given equations to derive the equation for final velocity.

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SUMMARY

The discussion focuses on deriving the equation for final velocity, specifically V2x² = V1x² + 2axΔt, using the provided kinematic equations: V2x = V1x + axΔt and ΔX = V1xΔt + 1/2axΔt². Participants emphasize the need to eliminate the variable ΔX to achieve the desired equation. Additionally, a correction is noted regarding the initial statement of the final equation, indicating the importance of precision in mathematical expressions.

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  • Understanding of kinematic equations
  • Familiarity with algebraic manipulation
  • Knowledge of acceleration (ax) and time interval (Δt)
  • Ability to identify and eliminate variables in equations
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  • Practice algebraic manipulation techniques
  • Learn about the significance of each variable in motion equations
  • Explore common errors in mathematical expressions and their corrections
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rdubs
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Given the equations V2x= V1x+ax\Deltat and \DeltaX= V1x\Deltat+ 1/2ax\Deltat2, i need to derive the equation V2x2=V1x2+2ax\Deltat. please help me!
 
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rdubs said:
Given the equations V2x= V1x+ax\Deltat and \DeltaX= V1x\Deltat+ 1/2ax\Deltat2, i need to derive the equation V2x2=V1x2+2ax\Deltat. please help me!

Welcome to PF.

What variable do you need to eliminate from the equations you are given to get the answer? (Btw, your statement of the final equation is in error.)

Armed with that ... it's Nike time ... just do it.
 

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