Those of us who have taken physics know that acceleration is measured in meters (or feet) per "square second." Have you ever contemplated the true meaning of this phenomenon? Does this prove that time has two (or more) dimensions?
2006-09-28 19:03:32 · 8 answers · asked by I Know Nuttin 5 in Science & Mathematics ➔ Other - Science
it is a misnomer. you are not squairing seconds. gravitational acceleration is 32 feet per second, per second. this does not mean per second squared, although most illiterates believe it does. you are multiplying seconds of rate, by seconds of frequency. it just happens to be the same unit, seconds. the same acceleration can be stated as 192 feet per minute, per second. sounds alot different this way, but its the same thing
2006-09-28 19:11:58 · answer #1 · answered by iberius 4 · 2⤊ 0⤋
Acceleration represents increasing of the speed of an object in time. So, it is measured as:
(m/s)/s = (m/s)/(s/1) = m/s2
Since this kind of fraction is calculated by joining the parts together, meaning that the outer parts go together by multiplication, and inner parts go together by multiplication, it is clear that there is no "two dimensions of time", but that is only an easier way to perform a calculation.
The real meaning is "meters in second per second".
2006-10-05 03:00:11 · answer #2 · answered by Vlada M 3 · 0⤊ 0⤋
acceleration is a units per time per time measurement
velocity is the first measure
the rate of change of the velocity is the second measure
if I'm driving 25 mph, that's velocity, but as my speed changes from 25 to 30 that's acceleration
how fast is my speed, velocity, changing between 25 and 30, that's acceleration
2006-09-29 02:14:13 · answer #3 · answered by OU812 5 · 0⤊ 0⤋
...ain't no such animal...
It's just easier to say per second squared than per second per second
Jerk is defined the time rate of change of acceleration, and has the units m/sec^3. Does that imply 3 orthogonal directions for time?
Oops! I just remembered, time is a scalar quantity, like temperature.
2006-09-29 02:30:04 · answer #4 · answered by Helmut 7 · 0⤊ 0⤋
Time is one-dimenson... its the number of seconds times itself...orrrr maybe..... *stacks 6 seconds around eachother to form a square.... hmmmm*
2006-09-29 02:16:53 · answer #5 · answered by ashley 3 · 0⤊ 0⤋
See, i pose a question for u..
what is velocity...??
It's meter / sec
if write this as meter * (sec)^99 / (sec)^100
u will ask does meter * (sec)^99 has any meaning....????
This is just a mathematical way of representation....
similarly, meter/ (sec)^2 is velocity / sec.....
and (sec)^2 as such doesnt have any significance...
Hope this answers the question....
2006-09-29 02:40:25 · answer #6 · answered by vallabh 1 · 0⤊ 0⤋
feet per second squared hmmmm How about 1mph=1mile(5280ft) in
3600 seconds. or 5280ft per 60 seconds squared!
Hmmm
2006-09-29 02:17:56 · answer #7 · answered by Anonymous · 0⤊ 0⤋
No, it is just a way of saying "unit of time multiplied to the 2nd power"
2006-09-29 02:05:58 · answer #8 · answered by Alibi 4 · 0⤊ 0⤋