Wondering where the distance formula from acceleration due to gravity comes from

  • Thread starter Icedfire01
  • Start date
  • #1
Pretty much like the title says. I'm having a hard time finding where the formula: d=1/2gt^2 comes from. Any help would be greatly appreciated.
 

Answers and Replies

  • #2
If a=g, then integrate twice with respect to time !!
 
  • #3
Tom Mattson
Staff Emeritus
Science Advisor
Gold Member
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That's almost right. When you integrate twice you pick up two arbitrary constants of integration. To really derive the formula you would have to solve the following initial value problem:

[tex]\frac{d^2y}{dt^2}=-g[/tex]

[tex]y(0)=0[/tex]

[tex]y'(0)=0[/tex].
 

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