Angela wants to return to Tío Ermenio’s. She has to study for a big ________ coming up when she goes home next week."
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If a stone falls from a ledge and takes 16 seconds to hit bottom, then the bottom is 1413 meters away. This assumes acceleration due to gravity of 9.81 meters per second squared, an initial velocity of zero, and no friction due to air resistance. Air resistance will decrease the distance.
x = 1/2 at2 + v0t + x0
H = 1/2 g T2 = (4.9) (64) = 313.6 meters.H = 1/2g T2 = (4.9) x (8)2 = 4.9 x 64 = 313.6 meters
On Earth gravity equals 9.8 m/s^2. If you multiply that by 8 seconds you get: 78.4m/s
We can't tell the height; but the distance between the top and the bottom is 578.7 feet. (rounded)
Y takes a minute less.
it takes 12 inches to make a foot!