Qualification > Sciences
physics.....TOUGH QUESTION
halosh92:
--- Quote from: ima_shah2002 on May 18, 2010, 04:08:03 pm ---but how if u see isnt it steepest at B and also why do u draw tangent and also help me with w06 q21 thanks........ ;D ;D ;D
--- End quote ---
no no the higher the line the steeper it is the more is the gradient :D
draw a tangent just for ure own convenience so that u get the idea nothin more.
Q21) pressure of water + pressure of oil = total pressure
PHG +PHG = 17.5*10^6 (*10^6 because we want to change megametre to metre)
(1000 * (2000-x) *9.8) + (830 * x *9.8) = 17.5*10^6
solve this equation
x= 1260.5
which is nearest to answer D
nid404:
I'll ask my friend from A2 for nov 05
cashem'up:
--- Quote from: halosh92 on May 18, 2010, 04:17:11 pm ---no no the higher the line the steeper it is the more is the gradient :D
draw a tangent just for ure own convenience so that u get the idea nothin more.
Q21) pressure of water + pressure of oil = total pressure
PHG +PHG = 17.5*10^6 (*10^6 because we want to change megametre to metre)
(1000 * (2000-x) *9.8) + (830 * x *9.8) = 17.5*10^6
solve this equation
x= 1260.5
which is nearest to answer D
--- End quote ---
hey thanks buddy....pheew.....it helped alot.........
but m still confused wid first one.... ???
cashem'up:
--- Quote from: nid404 on May 18, 2010, 04:27:17 pm ---I'll ask my friend from A2 for nov 05
--- End quote ---
yea please if u can ......
tmisterr:
gradient of V-I graph is NOT equal to the resistance unless it is an ohmic resistor at constant temp. I/V is highest at point C, or the gradient of the line from the ORIGIN TO THE POINT C is greatest there for V/I will be smallest.
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