I'm going to say about 6' for me.  The ground comes up shockingly fast.
124465
If you believe everything you read, a woman parachuted from 50 ft, her shoot did not open and she suffered only broken bones.  It was in our local paper last night.  I personally do not know nor care how high I can jump, I'm just greatful I can walk and not fall down most days!  But good luck in your experimentation = sometimes that's the best teacher.
197488
My consideration would be 6 foot but thats only because I have never been with anyone shorter than that.
220140
i think the average is about 5'7"\nnow i am way above average as i am 6'10" so i couldnt say for sure what the average is but i think its 5'7"
183242
Seven feet, six inches.
314755
15 to 17 cm long i nearly fainted!!!
466597
Well, how fast was it pushed?  Is it going uphill< downhill, on a flat surface, on a bumpy road, hmm, too many things to consider!
358556
Heights!..How bout that?
235962
The maximum hight you can throw would be 21 feet. So, yes you could reach the ledge.
476038
Surprisingly for an average height person standing at sea level, the horizon is only about six miles away.  You could see disturbances at that distance.
129242
Top of the grip to the ground.
630425
5.57 feet.\nand i dont know about those other questions.
454804
i got 14.15 ft.  by assuming that the shortest ladder is one that runs at the 45 degree angle thus forming a right triangle with the fence and a right triangle with the wall.
596346
I don't work in yards, but I'd guess about... 20 feet.
373444
I believe roughly 9 yards
80296
8,364 ft (2,550 m) or 2,788 yards
332471
About 1000 feet per sec.
189439
My sister was out playing, while we were camping, and she got too close to the edge of a cliff. She fell, and luckly there was a ledge that was only like 10 or 15 feet down. The ledge was actually quite skinny and nobody could figure out how she landed on it without getting hurt.