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19.6 meters / 64.4 ft
Regardless of the height from which it is falling, (neglecting air resistance) it's speed will be 19.62 metres per second. (Acceleration from gravity is 9.81 metres per second squared, so after 1 second it is moving at 9.81 metres per second and after 2 seconds it is moving at 19.62 metres per second.
This is the vertical motion model, used when solving for height that an object is dropped from, what height an object is at after so many seconds, what rate the object is falling at, and how many seconds have passed after dropping an object when it is at x height etc. etc. Most often used in Algebra 1 and 2.
4 seconds
depends on the mass of the stone, the shape of the stone, and the height dropped from. sorry dude.
The higher the height the ball is dropped from, the higher the height it will bounce to.
distance = speed x time so the distance is just the speed of the stone x 8 seconds
The height of the building at the 102nd floor is 381 metres. The penny is irrelevant.
The height of the building at the 102nd floor is 381 metres. The penny is irrelevant.
Gravity = 9.8 meters per second
.. You need the height of the building to figure it out..?
Yes - the greater the height an item dropped the resulting bounce is higher