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_V_
7th September 2006, 12:52
Which is the more accurate of these two clocks?

One of which is broken and doesn't run at all.
The other loses one second every 24 hours.

Answers on postcards please.

Andyw
7th September 2006, 12:53
Its all relative...........

n5gooner
7th September 2006, 12:54
the one that is broken accurately tells the time twice a day, the one that loses 1 second each 24 hours is never accurate.

_V_
7th September 2006, 12:56
Almost right.

Andyw
7th September 2006, 12:56
not if it's electronic ! no power !

CaribbeanPirate
7th September 2006, 12:57
Badly specified question.

On average error is the same i.e. 12 hours.

On the other hand, the question as to which one is right more often has a much simpler answer.

Flubster
7th September 2006, 12:58
Not necessarily true. A stopped analog clock is right twice a day, but since you don't know when it's right, it's not a lot of use. A stopped 24-hour clock is right once a day, same caveat. A stopped calendar clock might only be right one or two times in a month. A 'stopped' digital clock might display no time whatever.

DaveB
7th September 2006, 13:00
the one that is broken accurately tells the time twice a day, the one that loses 1 second each 24 hours is never accurate.


The broken one is accurate twice per day the one losing time is accurate once every 118 years, allowing for rounding.

This is assuming its a conventional clock showing the hours 1-12.

If it's marked for 24hr use then it's once per day for the broken one and once every 316 years for the slow one.

Jabberwocky
7th September 2006, 13:01
Almost right.

every 12X3600 days.

bogeyman
7th September 2006, 13:03
the one that is broken accuratley tells the time twice a day, the one that loses 1 second each 24 hours is never accurate.

Both clocks have a cycle of accuracy as the difference between the actual time and the time shown diverge and converge again.

The stopped clock has a 12 hour cycle of accuracy (assuming no difference beween 12am and 12pm for this purpose).

The clock that loses time has a much longer cycle of accuracy, but will be exactly accurate every 43200 days.

Which clock is the 'more accurate' depends on how long you observe it for.

BoredBloke
7th September 2006, 13:06
depends how often you run the test for, frequency of checking and if my more accurate you mean closest to the correct time or actually showing the correct time.

n5gooner
7th September 2006, 13:08
who are we compaing the time against anyway, what is giving us the constant for checking against...

CaribbeanPirate
7th September 2006, 13:08
Are the clocks showing the 'wrong' time if there is a woman there to observe it?

What is the frame of reference of the observer and each of the clocks?

Bagpuss
7th September 2006, 13:10
If I put the clock in a box, and a random terminal event could happen, how would I know if time actually still existed?

_V_
7th September 2006, 13:12
Never ask IT contractors a simple question and expect a simple answer.

PS. Anyone got the right time on them?

CaribbeanPirate
7th September 2006, 13:14
Anyone got the right time on them?It's time B'Liar was arrested.
:bluelight :bluelight :bluelight :bluelight :bluelight

Bagpuss
7th September 2006, 13:15
On a similar note...
If I put CUK in a box and a random terminal event could happen, how would I know if moaning actually still existed?

Paddy
7th September 2006, 13:28
You are assuming that both clocks are stationary. If the clocks are travelling around the world you could optimise the speed for them to read the correct local time always.

bogeyman
7th September 2006, 14:06
You are assuming that both clocks are stationary. If the clocks are travelling around the world you could optimise the speed for them to read the correct local time always.

Good point!

A stopped clock in the right orbit could be right ALL day!

bogeyman
7th September 2006, 14:08
Never ask IT contractors a simple question and expect a simple answer.

That's because there are no simple answers.

That's why we make a living :banana:

Bagpuss
7th September 2006, 14:14
Chico has all the simple answers.

Chico answer: Those infidel Musclims Blew up the clock!

bogeyman
7th September 2006, 14:24
Chico has all the simple answers.

Chico answer: Those infidel Musclims Blew up the clock!

I expect they did old puss. Knowing the time of day is akin to witchcraft!

Mere mortals were never meant to know such things.

So ironic that it was Islamic cultures that gave us the concept of 'zero' which they rigourously enforce wherever they can.

Zero tolerance
Zero personal expression
Zero individuality
Zero freedom
Zero fun


... make it up yourself