Free fall (distance and velocity) Calculator
Calculates the free fall distance and velocity without air resistance from the free fall time. | ||
Free fall (distance and velocity)
| [1-10] /318 | Disp-Num |   |
- Purpose of use
- Understand the effect of dropping from height
[1] 2023/02/05 04:01 60 years old level or over / A retired person / - /
- Purpose of use
- Used to determine the distance from a well opening at ground level to the water level in the well. Turns out right at 100ft. We knew the total depth of the well was 278 ft, but wanted to calculate the volume of the column of water. 4 inches x 178 feet. So about 116 gal. Thanks for the help.
[2] 2022/12/15 04:45 50 years old level / An office worker / A public employee / Very /
- Purpose of use
- Determining the height of the lava fountains of the Mauna Loa eruption. The free fall from apogee is 3.5 to 4.5 second so the fountain height is 200-350 feet high.
[3] 2022/12/07 23:52 40 years old level / An office worker / A public employee / Very /
- Purpose of use
- Determine height of Ukrainian drone used to drop bomb on Russian forces if drop time was 4 seconds
[4] 2022/11/20 02:37 60 years old level or over / A retired person / Useful /
- Purpose of use
- Acceleration of 1600km/h car at limit of sustained 4g for human survival - how long and how far?
- Comment/Request
- 20 seconds a 4g would be super brutal, but reaching 1000mph in an achievable land speed record seems out of reach given different sites on earth.
Loved the DND comment.
[5] 2022/06/03 18:24 50 years old level / Self-employed people / Useful /
- Purpose of use
- same as someone else posted, working out free fall distance for a DnD adventure
[6] 2022/05/25 05:07 30 years old level / Others / Very /
- Purpose of use
- Trying to explain to d&d player that if a rock fell for 5 seconds before hitting water in a dark sinkhole, that it would be at least 100m down and that he would be injured if not dead.
- Comment/Request
- Thanks! This is exactly what we were looking for <3
[7] 2022/05/01 09:29 20 years old level / Others / Useful /
- Purpose of use
- Checking whether the distance from the sun as inferred from Hesiod's Theogeny, where he indicates that heaven and the sun are about the same distance from the earth, and that if an anvil fell from heaven it would reach earth in nine days and nights. According to this page, he is quite wrong. In that time it would fall almost 3 trillion metres, but the sun is only 148 billion metres away
[8] 2022/03/07 10:23 30 years old level / An office worker / A public employee / Useful /
- Purpose of use
- Used it to find out how far an fnf character fell in a mod (1/1000 from the exosphere to the center of the earth)
[9] 2022/02/08 17:24 Under 20 years old / High-school/ University/ Grad student / Very /
- Purpose of use
- figuring out how far you could fall in ten minutes if you wanted to not experience gravity for a bit without leaving earth (turns out you'd fall about 3/8ths of the way to the center of the earth, have fun slowing down though)
[10] 2022/01/25 14:06 Under 20 years old / High-school/ University/ Grad student / Useful /
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