Discover the Legitimacy of the Freefall Velocity Formula | Explained by Eliot

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SUMMARY

The Freefall Velocity Formula, represented as V = √(2gΔy), is legitimate for calculating the speed of an object falling from rest without friction. In this formula, 'g' is the acceleration due to gravity, specifically 9.8 m/s², and Δy represents the vertical distance fallen. This formula effectively provides the final velocity after falling a specified distance, confirming its validity in physics.

PREREQUISITES
  • Understanding of basic physics concepts, particularly kinematics.
  • Familiarity with the acceleration due to gravity (g = 9.8 m/s²).
  • Knowledge of mathematical operations involving square roots.
  • Ability to interpret and manipulate algebraic formulas.
NEXT STEPS
  • Explore the derivation of the Freefall Velocity Formula in kinematics.
  • Learn about the effects of air resistance on freefall motion.
  • Investigate the differences between small g (acceleration due to gravity) and big G (universal gravitational constant).
  • Study real-world applications of freefall physics in engineering and safety design.
USEFUL FOR

Students of physics, educators teaching kinematics, and engineers involved in motion analysis will benefit from this discussion.

eliot1201
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hi i was wondering if this formula is legitimate. it finds velocity when there is no friction and no time involved.

[tex] \sqrt{2\ G \Delta\ x_{y}}[/tex] =V

G is 9.8m/s

thanks, eliot
 
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It's legit. It gives you the speed after falling the given distance, starting from rest. (Use small g for the acceleration due to gravity; big G usually stands for the universal gravitational constant.)
 
o yeah small g. ok thanks, i appreciate it. :)
 

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