1-It falls with constant acceleration.
2-It falls with constant speed.
3-It falls with decreasing acceleration.
4-It falls with decreasing speed.
And why?
2007-11-16 00:38:52 · 7 answers · asked by Anonymous in Science & Mathematics ➔ Physics
1-It falls with constant acceleration.
The gravitational acceleration of the Earth causes the matter of freefall to accelerate downwards. So when the steel ball is dropped, it gains more and more velocity before reaching the ground.
Not 2 because- The ball starts from zero speed, so it MUST gain speed to drop.
Not 3 because- It will accelerate in the first place to move. And air resistance is not strong enough to decelerate an object, it can only move it sideways.
Not 4 because- It's Earth, there's GRAVITY!!! Imagine us skipping and taking 5 seconds to reach the ground!
2007-11-16 00:56:47 · answer #1 · answered by Furiouscurious 1 · 0⤊ 0⤋
2
2007-11-16 00:48:33 · answer #2 · answered by happywjc 7 · 0⤊ 0⤋
It falls with decreasing acceleration... it begins accelerating at about 9.8meters/sec/sec... but as soon as it's dropped, wind resistance begins to slow the acceleration.
The answer is 3.
If we were to ignore wind resistance (as some problems will tell us to do) then the answer would be 2. The only reason for it to be 3 is the presence of wind resistance.
2007-11-16 00:48:55 · answer #3 · answered by SaintPretz59 4 · 0⤊ 0⤋
Despite living in a town that basically has a bar on every corner .The kinds of places where guys that Ditka used to call Grabowski's hang-out after work Obama knows nothing of such places Obama is not now nor has ever been a short beer and a shot kind of regular guy His handlers would have to give him a weeks worth of lessons in order to teach him how to act in a workingman's bar Y'know Obama may have a lot of things going for him but ballzz are not one of them i have no doubt whatsoever that Hillary Clinton has much bigger ballzzz then Obama does
2016-05-23 09:30:34 · answer #4 · answered by ? 3 · 0⤊ 0⤋
1) It falls with constant acceleration (a = g = 9.8 m/s^2).
Because : m g = m a ---> a = g
2007-11-16 00:46:56 · answer #5 · answered by Luigi 74 7 · 0⤊ 0⤋
1-It falls with constant acceleration.
gravity causes the ball to accelerate
downwards at a constant rate .
,.,.,.
2007-11-16 00:43:45 · answer #6 · answered by The Wolf 6 · 1⤊ 0⤋
it falls with constant accleration. Y? momentum x force= accleration at a constant rate. or u can look at it this way. the sheer weightof the object plus gravity is force, momentum being constant movement ( the act of falling) . hope this helps
2007-11-16 01:16:54 · answer #7 · answered by mushpaws 1 · 0⤊ 0⤋