Free fall with air resistance (time and velocity) Calculator

Calculates the free fall time and velocity with air resistance from the free fall distance.

The default value of the air resistance coefficient, k=0.24(kg/m), assumes the value in skydiving.
Free fall with air resistance (time and velocity)
Mass m
Free fall distance h
Air resistance k
[ Gravity g
    1. m/s2 ]

Free fall time t
    1.  
    2.  sec
Free fall velocity v
    1.  
=
    1.  
    Free fall with air resistance (time and velocity)
    [1-10] /196Disp-Num
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    [1]  2020/04/05 12:27   Male / 40 years old level / An engineer / Useful /
    Purpose of use
    Figuring out how long it would take Iron Man to fall from 85,000 feet.
    [2]  2020/03/24 08:17   Female / 20 years old level / Others / Useful /
    Purpose of use
    To calculate how long it would take the floating city from my D&D campaign to fall from the sky
    [3]  2020/03/09 01:13   Male / 20 years old level / High-school/ University/ Grad student / Very /
    Purpose of use
    trampoline freefall resistance
    [4]  2020/02/12 20:22   Male / 20 years old level / An office worker / A public employee / Very /
    Purpose of use
    To settle a discussion if a fat person would fall faster from the 5th floor than a thin person.
    It seems like they would hit the ground almost at the same time.
    [5]  2020/02/11 00:01   Female / 20 years old level / Others / Very /
    Purpose of use
    To determine whether or not I could plan for my Dungeons and Dragons character to fly 90ft up into the air, and just drop until their turn on which they would be able to begin flight again or not. (unsurprisingly it's a solid no, but if there is rigging nearby to catch onto, a fairly easy way to do a lot of damage to someone if you drop them)
    [6]  2020/02/02 07:48   Male / 40 years old level / Others / - /
    Purpose of use
    To save none human life on this planet.
    Comment/Request
    One step closer
    [7]  2020/01/11 04:37   Male / 50 years old level / An office worker / A public employee / Very /
    Purpose of use
    Determine the height an individual was jumping from in a youtube video based on the time spent falling.
    [8]  2019/12/28 14:09   Male / 20 years old level / Others / Very /
    Purpose of use
    To determine how long it would take someone falling in the Kola Super-deep Borehole to reach the bottom (12 km deep = 207.78 s for 85 kg individual)
    [9]  2019/12/14 08:23   - / 60 years old level or over / Others / Very /
    Purpose of use
    To find out how long the baby gorilla should have fallen from the trees in the Dora episode "Dora & Diego to the Rescue"

    Spoiler alert: that gorilla should be either dead or severely injured right now because it would've taken him between 2 and 7 seconds to fall depending on the height of those trees, and Dora, being the time-wasting brat she is, had to take precisely 18.793 seconds to catch him. Very disappointed with Dora's worth ethic right now. No wonder kids nowadays procrastinate so much!
    [10]  2019/12/07 13:58   Male / Under 20 years old / High-school/ University/ Grad student / A little /
    Purpose of use
    To find how long it would take a pen weighing 1 oz. to fall from inner space.

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