S swidders 14 Feb 2009 #31 Two distance/time graphs overlaid with same axes, one with positive gradient the other with negative gradient, must intersect.
Two distance/time graphs overlaid with same axes, one with positive gradient the other with negative gradient, must intersect.
S Softus Joined 21 Oct 2004 Messages 19,557 Reaction score 29 Country 15 Feb 2009 #32 blondini said: Draw a graph. . . . The lines must cross. The point where they cross is at equal height and equal time. Click to expand... I agree. You are right.
blondini said: Draw a graph. . . . The lines must cross. The point where they cross is at equal height and equal time. Click to expand... I agree. You are right.
S Softus Joined 21 Oct 2004 Messages 19,557 Reaction score 29 Country 15 Feb 2009 #33 trazor said: The easiest way to see it, is to give Bob a twin, and do both journeys on the same day. Click to expand... trazor said: here is an even simpler way to look at the solution.... Draw 2 identical pyramids... Click to expand...
trazor said: The easiest way to see it, is to give Bob a twin, and do both journeys on the same day. Click to expand... trazor said: here is an even simpler way to look at the solution.... Draw 2 identical pyramids... Click to expand...
Trazor Joined 20 Jan 2007 Messages 6,900 Reaction score 752 Location Warwickshire Country 15 Feb 2009 #34 Softus said: trazor said: The easiest way to see it, is to give Bob a twin, and do both journeys on the same day. Click to expand... trazor said: here is an even simpler way to look at the solution.... Draw 2 identical pyramids... Click to expand... Click to expand... That solution was used to show even the simplist of minds how to understand the solution, I'm so glad you read it. Your misunderstanding of this problem, after seeing your replies to other puzzle topics was..........................Expected.
Softus said: trazor said: The easiest way to see it, is to give Bob a twin, and do both journeys on the same day. Click to expand... trazor said: here is an even simpler way to look at the solution.... Draw 2 identical pyramids... Click to expand... Click to expand... That solution was used to show even the simplist of minds how to understand the solution, I'm so glad you read it. Your misunderstanding of this problem, after seeing your replies to other puzzle topics was..........................Expected.
S Softus Joined 21 Oct 2004 Messages 19,557 Reaction score 29 Country 15 Feb 2009 #35 trazor said: yet more b*llocks Click to expand... Not rising trazor - you're like a scratched record.
trazor said: yet more b*llocks Click to expand... Not rising trazor - you're like a scratched record.
M megawatt Joined 3 Sep 2005 Messages 3,295 Reaction score 11 Location Devon Country 15 Feb 2009 #36 Good to see some things haven't changed ... Keep it up Softy boy MW
WDIK Joined 15 Dec 2007 Messages 4,864 Reaction score 65 Location Nottingham Country 15 Feb 2009 #37 megawatt said: Good to see some things haven't changed ... Keep it up Softy boy MW Click to expand... hey Mr Meggawatt when did you get back? nice to see you, its been too quiet in here
megawatt said: Good to see some things haven't changed ... Keep it up Softy boy MW Click to expand... hey Mr Meggawatt when did you get back? nice to see you, its been too quiet in here
M megawatt Joined 3 Sep 2005 Messages 3,295 Reaction score 11 Location Devon Country 15 Feb 2009 #38 Thanks WDIK ... Been back a few weeks. Now, let's see if we can get some posts locked Only kidding It does seem to be a little more sedate around here than I remembered but Joe is notably absent so that may explain things ... Odd really as I do miss the grumpy old git now he's not around MW
Thanks WDIK ... Been back a few weeks. Now, let's see if we can get some posts locked Only kidding It does seem to be a little more sedate around here than I remembered but Joe is notably absent so that may explain things ... Odd really as I do miss the grumpy old git now he's not around MW