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Home > Shapes > Geometry
Like Clockwork (Posted on 2004-02-27) Difficulty: 4 of 5
A clock's minute hand has length 4 and its hour hand length 3.

What is the distance between the tips at the moment when it is increasing most rapidly?

See The Solution Submitted by DJ    
Rating: 4.0000 (9 votes)

Comments: ( You must be logged in to post comments.)
  Subject Author Date
SolutionPuzzle SolutionK Sengupta2008-05-09 16:07:14
answerK Sengupta2007-11-12 02:36:43
SolutionOops, this time I got it, sans spreadsheet solverLarry2004-03-07 10:04:01
Solutionmy formulae for d(t), d'(t)Larry2004-03-07 02:10:02
SolutionCalculus solutionLarry2004-03-07 01:49:03
re(2): why calculusAxorion2004-03-03 22:30:56
Hey Tristan !joe2004-03-03 20:11:33
KISS, keep it simple!!!!!!!joe2004-03-03 20:06:00
re(2): why calculusTristan2004-03-03 20:05:41
re: why calculusSteve2004-03-03 19:02:54
re(2): why calculusAxorion2004-02-29 18:14:12
re: why calculusjoe2004-02-29 16:52:18
why calculusDan Porter2004-02-28 21:12:58
SolutionBest and finalAdy TZIDON2004-02-28 08:56:55
Some Thoughtsre: Spreadsheet solution.===.>best and finalAdy TZIDON2004-02-28 08:35:51
re: Answer (Mistake again)np_rt2004-02-28 01:05:50
Answernp_rt2004-02-28 01:00:09
re: Analytic Solution (with no errors I hope) found an error alreadynp_rt2004-02-28 00:48:28
Analytic Solution (with no errors I hope)np_rt2004-02-28 00:45:57
re: classic distanceSilverKnight2004-02-27 19:09:34
Solutionclassic distanceAdy TZIDON2004-02-27 18:38:23
re(4): Spreadsheet solution.Richard2004-02-27 17:36:39
re(3): Spreadsheet solution.Charlie2004-02-27 17:11:02
re(2): Spreadsheet solution.Richard2004-02-27 16:19:02
re: calculus based solutionRichard2004-02-27 16:11:13
solution (seems too simple)Dan Porter2004-02-27 15:49:39
calculus based solutionred_sox_fan_0320032004-02-27 14:56:31
re: Spreadsheet solution.Charlie2004-02-27 14:46:17
SolutionSpreadsheet solution.Charlie2004-02-27 14:43:07
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