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G8MNY  > TECH     19.02.19 12:30l 52 Lines 1927 Bytes #6 (0) @ WW
BID : 59660_GB7CIP
Subj: Reaction Timer
Path: ED1ZAC<ED1ZAC<GB7CIP
Sent: 190219/1126Z @:GB7CIP.#32.GBR.EURO #:59660 [Caterham Surrey GBR]
From: G8MNY@GB7CIP.#32.GBR.EURO
To  : TECH@WW

By G8MNY                                        (Corrected Jan 06)
(8 Bit ASCII graphics use code page 437 or 850, Terminal Font)

Hardly TECHNICAL, but here is a description of a simple medical test ruler..

Time  mS      100 110 120 130 140 150 160 170 180 190 200 210 220 230 240 250
Distance MM    50 60 72  85 97 112 128 144 161 180 198 219 240 263 286 312
From start 

RULER
                                 I N C H E S
Ŀ
                                                                
  0     1     2     3     4     5     6     7     8     9    10    11    12  
  /  TIME  1 11 1 1  1  1  1  1  1  2   2   2   2    2     2
<'    mS   0 12 3 4  5  6  7  8  9  0   1   2   3    4     5
 `\        0 00 0 0  0  0  0  0  0  0   0   0   0    0     0
3029 2827 2625 2423 2221 2019 1817 1615 1413 1211 10 9  8 7  6 5  4 3  2 1 0 
                                              

                                    C M

Once you have marked a ruler up the same, you can measure someone else's
reaction time like this..

                 Ŀ Tester hold
                   top & releases
                   when testee
      Testee has   least suspects.
       finger &   
     thumb ready  
       to grab   v
        bottom   

Ideally the testee should not be able to see the tester, so there are no clues
when the release is to take place.

Anything below 120mS is usually considered cheating in sports.
Anything over 250mS & you are dead.

It assumes G = 9.81N/M/M, e.g. you are on the Earth.

N.B. YOU CAN'T TEST YOURSELF!


Why Don't U send an interesting bul?

73 de John G8MNY @ GB7CIP


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