T Twickel Member Joined Dec 5, 2007 Messages 390 Gender Male HSC 2009 Jul 18, 2008 #21 Good i also used final velocity not avg velocity in 0.5 x m x v^2 is that ok?
M Mumma Member Joined May 19, 2004 Messages 586 Location Sydney Gender Male HSC 2006 Jul 18, 2008 #22 That's what you are supposed to use - the velocity at state 2. Kinetic energy of something only depends on that instant of measurement. It doesn't care what happens before, so using the average velocity would be meaningless.
That's what you are supposed to use - the velocity at state 2. Kinetic energy of something only depends on that instant of measurement. It doesn't care what happens before, so using the average velocity would be meaningless.
T Twickel Member Joined Dec 5, 2007 Messages 390 Gender Male HSC 2009 Jul 18, 2008 #23 Thankyou so much
L lolokay Active Member Joined Mar 21, 2008 Messages 1,015 Gender Undisclosed HSC 2009 Jul 18, 2008 #24 made enough threads on this yet? -_-
T Twickel Member Joined Dec 5, 2007 Messages 390 Gender Male HSC 2009 Jul 19, 2008 #25 just making sure.... Its finished now im just typing the method.
Aerath Retired Joined May 10, 2007 Messages 10,169 Gender Undisclosed HSC N/A Jul 19, 2008 #26 Do you have a Physics teacher? =\
C Continuum I'm squishy Joined Sep 13, 2007 Messages 1,102 Gender Male HSC 2009 Jul 19, 2008 #27 Aerath said: Do you have a Physics teacher? =\ Click to expand... LOL - I was wondering the same thing.
Aerath said: Do you have a Physics teacher? =\ Click to expand... LOL - I was wondering the same thing.