At one foot per second, it would take 15 seconds.
The Earth's gravitational pull is 32.2 ft per second squared.
The penny drop a height after 1 second penny is on the ground
Well the average terminal velocity ofr an average sized jumper is 120mph. I fall at 120mph and fall 10,000 feet in 45/50 seconds so I guess about 213 feet per second.
In free fall an object regardless of its mass will accelerate at 9.8 meters/second/second or 32 feet/second/second assuming that you are on earth in a frictionless environment. This means that any two objects regardless of their mass will fall to the ground at the same rate.
26.7 seconds
It was a hidden landmine that exploded under Brian's feet, causing him to fall to the ground. Landmines are explosive devices designed to cause harm or damage upon detonation.
Let v be the velocity when the ball is at 640 feets going downwards v = 48 feet /sec let the velocity with which it reaches the ground be u then, u2=v2+2gh g = acc due t ogravity in feet/sq.sec h = 640 feet the time taken to reach the ground = time to return to 640ft + the time to fall from there Time taken to get to the ground is 8 seconds. Final velocity is 208 feet per second downwards
1 foot.
because you could fall of the hight of a mountain at 26,000 feet above ground
giraffe elephant cieling painter (apprentise)
Assuming you are in freefall, you would reach the ground in approximately one second from a 10-foot cliff. This is because the acceleration due to gravity will cause you to fall at a speed of about 22 miles per hour (32 feet per second) after one second.
A person falling from a height of 25 feet will reach a speed of approximately 31 feet per second (or 21 miles per hour) when they hit the ground. This speed is reached due to the acceleration caused by gravity.
9.8 meters per second squared. So the longer they are in the air, they will fall faster by each second.