Difference between revisions of "Falling Body with Air Resist"

From apimba
Jump to navigation Jump to search
(Created page with "F<sub>total</sub> = F<sub>grav</sub> - F<sub>air</sub> ma = mg - kv where k units are kg/sec mdv/dt = mg - kv put into standard order: mdv/dt + kv = mg dv/dt + vk/m = g...")
 
Line 1: Line 1:
 
F<sub>total</sub> = F<sub>grav</sub> - F<sub>air</sub>
 
F<sub>total</sub> = F<sub>grav</sub> - F<sub>air</sub>
 +
 
ma = mg - kv    where k units are kg/sec
 
ma = mg - kv    where k units are kg/sec
  

Revision as of 06:49, 5 May 2020

Ftotal = Fgrav - Fair

ma = mg - kv where k units are kg/sec

mdv/dt = mg - kv

put into standard order:

mdv/dt + kv = mg

dv/dt + vk/m = g

find u = e∫k/mdt = ekt/m