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RWDboy
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Re: Physics problem.

Fri, 25 March 2005 09:10

skellator wrote on Fri, 25 March 2005 19:10

so you know, im a physics student too, and i easily passed yr 11 physics (which uses this type of stuff more than yr12) using this reasoning, as did they

im not adding forces, im adding velocities

if you hit a stationary object (the wall) at 50km/h, then hit an object moving in the opposite direction to you, also at 50km/h, which do you think will result in more force?

add the velocities:
100km/h of a car + - 0km/h of the wall = 100km/h in your direction

50km/h of your car + - 50km/h of the other car (opposite direction) = 100km/h in your direction

using these figures, force is (approximately) the same (change in momentum / time)

btw, dont worry, you're not the only one who's getting frustrated with other's ignorance...

Velocity is a vectors too.... and 50 + -50 = 0 .... not 100!!!

Take a step back from the problem, think about it and work on it and you'll get there. There is no need to state where you are at in your education because it's not pertinent to the problem at hand - a pass in year 11 physics just means you did some tests, it doesn't change your argument Very Happy

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Subject Poster Date

Read Message Physics problem. Squid Thu, 24 March 2005 03:43
Re: Physics problem. Corona RT142 Thu, 24 March 2005 03:46
Re: Physics problem. Squid Thu, 24 March 2005 03:50
Re: Physics problem. Corona RT142 Thu, 24 March 2005 03:50
Re: Physics problem. Norbie Thu, 24 March 2005 03:51
Read Message Re: Physics problem. Squid Thu, 24 March 2005 03:58
Re: Physics problem. Indi Thu, 24 March 2005 04:28
Re: Physics problem. STR8 2.8 Thu, 24 March 2005 04:32
Re: Physics problem. 86DRFT Thu, 24 March 2005 12:27
Re: Physics problem. Norbie Fri, 25 March 2005 07:14
Read Message Re: Physics problem. Intensevil Thu, 24 March 2005 04:25
Re: Physics problem. Corona RT142 Thu, 24 March 2005 04:31
Re: Physics problem. Squid Thu, 24 March 2005 04:34
Re: Physics problem. Indi Thu, 24 March 2005 04:42
Re: Physics problem. BlackMR2 Thu, 24 March 2005 04:32
Read Message Re: Physics problem. white86 Thu, 24 March 2005 04:44
Re: Physics problem. white86 Thu, 24 March 2005 04:51
Re: Physics problem. Mookie Thu, 24 March 2005 04:58
Re: Physics problem. bbaacchhyy Thu, 24 March 2005 05:08
Re: Physics problem. IRA11Y Thu, 24 March 2005 05:39
Read Message Re: Physics problem. Dust Thu, 24 March 2005 05:34
Re: Physics problem. Norbie Thu, 24 March 2005 05:39
Re: Physics problem. skellator Thu, 24 March 2005 05:57
Re: Physics problem. BlackMR2 Thu, 24 March 2005 05:58
Re: Physics problem. IRA11Y Thu, 24 March 2005 06:04
Read Message Re: Physics problem. IRA11Y Thu, 24 March 2005 06:07
Re: Physics problem. EnFlaMEd Thu, 24 March 2005 06:33
Re: Physics problem. SPRINTAH! Thu, 24 March 2005 06:30
Re: Physics problem. skellator Thu, 24 March 2005 06:43
Re: Physics problem. SPRINTAH! Thu, 24 March 2005 07:47
Read Message Re: Physics problem. IRA11Y Thu, 24 March 2005 08:13
Re: Physics problem. skellator Thu, 24 March 2005 08:57
Re: Physics problem. skellator Thu, 24 March 2005 06:33
Re: Physics problem. RWDboy Thu, 24 March 2005 06:42
Re: Physics problem. skellator Thu, 24 March 2005 06:54
Read Message Re: Physics problem. RWDboy Thu, 24 March 2005 06:49
Re: Physics problem. RWDboy Thu, 24 March 2005 07:20
Re: Physics problem. skellator Thu, 24 March 2005 07:44
Re: Physics problem. RWDboy Thu, 24 March 2005 13:42
Re: Physics problem. CrUZsida Thu, 24 March 2005 08:39
Read Message Re: Physics problem. CrUZsida Thu, 24 March 2005 08:59
Re: Physics problem. NeiGH Thu, 24 March 2005 09:51
Re: Physics problem. skellator Thu, 24 March 2005 10:01
Re: Physics problem. Alex120 Fri, 25 March 2005 11:49
Re: Physics problem. 86DRFT Thu, 24 March 2005 12:22
Read Message Re: Physics problem. skellator Fri, 25 March 2005 01:42
Re: Physics problem. RWDboy Fri, 25 March 2005 08:16
Re: Physics problem. b1gb3n Fri, 25 March 2005 02:37
Re: Physics problem. skellator Fri, 25 March 2005 08:40
Re: Physics problem. RWDboy Fri, 25 March 2005 09:10
Read Message Re: Physics problem. skellator Fri, 25 March 2005 09:22
Re: Physics problem. gabe Sat, 26 March 2005 00:46
Re: Physics problem. skellator Sat, 26 March 2005 00:58
Re: Physics problem. RobertoX Wed, 30 March 2005 05:40
Re: Physics problem. skellator Wed, 30 March 2005 06:35
Read Message Re: Physics problem. RWDboy Fri, 25 March 2005 10:42
Re: Physics problem. Alex120 Fri, 25 March 2005 11:45
Re: Physics problem. RWDboy Fri, 25 March 2005 12:40
Re: Physics problem. skellator Fri, 25 March 2005 22:50
Re: Physics problem. RWDboy Sat, 26 March 2005 01:47
Read Message Re: Physics problem. skellator Sat, 26 March 2005 02:16
Re: Physics problem. gabe Sat, 26 March 2005 02:59
Re: Physics problem. RWDboy Sat, 26 March 2005 01:53
Re: Physics problem. RWDboy Sat, 26 March 2005 03:21
Re: Physics problem. IRA11Y Sat, 26 March 2005 03:29
Read Message Re: Physics problem. Squid Tue, 29 March 2005 03:48
Re: Physics problem. RWDboy Sat, 26 March 2005 03:29
Re: Physics problem. RWDboy Sat, 26 March 2005 03:33
Re: Physics problem. skellator Sat, 26 March 2005 03:41
Re: Physics problem. RWDboy Sat, 26 March 2005 04:13
Read Message Re: Physics problem. skellator Sat, 26 March 2005 04:24
Re: Physics problem. RWDboy Sat, 26 March 2005 04:47
Re: Physics problem. IRA11Y Sat, 26 March 2005 05:04
Re: Physics problem. skellator Sat, 26 March 2005 05:26
Re: Physics problem. skellator Sat, 26 March 2005 06:06
Read Message Re: Physics problem. tom210 Sat, 26 March 2005 06:52
Re: Physics problem. skellator Sat, 26 March 2005 06:56
Re: Physics problem. RWDboy Sat, 26 March 2005 07:02
Re: Physics problem. skellator Sat, 26 March 2005 07:05
Re: Physics problem. tom210 Sat, 26 March 2005 07:19
Read Message Re: Physics problem. jackel Sat, 26 March 2005 07:23
Re: Physics problem. skellator Sat, 26 March 2005 07:39
Re: Physics problem. tom210 Sat, 26 March 2005 07:28
Re: Physics problem. Norbie Sat, 26 March 2005 09:47
Re: Physics problem. skellator Sat, 26 March 2005 10:10
Read Message Re: Physics problem. Norbie Sat, 26 March 2005 10:12
Re: Physics problem. skellator Sat, 26 March 2005 10:21
Re: Physics problem. EldarO Sat, 26 March 2005 11:37
Re: Physics problem. Norbie Sun, 27 March 2005 02:02
Re: Physics problem. EldarO Tue, 29 March 2005 16:41
Read Message Re: Physics problem. tom210 Sat, 26 March 2005 12:46
Re: Physics problem. RWDboy Sat, 26 March 2005 12:53
Re: Physics problem. skellator Sun, 27 March 2005 02:36
Re: Physics problem. RWDboy Sun, 27 March 2005 03:15
Re: Physics problem. RWDboy Tue, 29 March 2005 04:41
Read Message Re: Physics problem. skellator Tue, 29 March 2005 05:50
Re: Physics problem. RWDboy Tue, 29 March 2005 12:07
Re: Physics problem. skellator Tue, 29 March 2005 21:05
Re: Physics problem. 79rollaboy Tue, 29 March 2005 21:20
Re: Physics problem. RobertoX Wed, 30 March 2005 00:19
Read Message Re: Physics problem. RWDboy Wed, 30 March 2005 00:42
Re: Physics problem. skellator Wed, 30 March 2005 04:40
Re: Physics problem. RobertoX Wed, 30 March 2005 04:49
Re: Physics problem. skellator Wed, 30 March 2005 04:57
Re: Physics problem. RWDboy Wed, 30 March 2005 13:47

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