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P1 CIE physics doubts

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astarmathsandphysics:
At bottom of motion v=zero but acceleration is positive sp graident is positive. D
I had to read this question several time - I wasnt concetrating

sweetie:
Thank You :D

i cudnt understand these Q's in may07 , help plz!!!!
Q40, 37,33,29,23,20 and 18

thanx in advance :-*

~ A.F ~:

--- Quote from: sweetie on April 28, 2010, 11:21:44 am ---Thank You :D

i cudnt understand these Q's in may07 , help plz!!!!
Q40, 37,33,29,23,20 and 18

thanx in advance :-*

--- End quote ---

I'm on it :)

~ A.F ~:

--- Quote from: sweetie on April 28, 2010, 11:21:44 am ---Thank You :D

i cudnt understand these Q's in may07 , help plz!!!!
Q40, 37,33,29,23,20 and 18

thanx in advance :-*

--- End quote ---

Q18: B---> the bottom curve is the one for unloading..and so area under curve equals energy recoverd..the lop's area equals to heat transformation

Q.20: B---> W acts downwards on vertical bar..and so tension at X..then just like the concrete and steel beam, when u put a load at the top, tension acts at the top, compression at the bottom

Q. 23: check this thread..5th page..my long post  https://studentforums.biz/index.php/topic,6664.60.html

40: same as Q23

nid404:
hey you A.F, you rock  8) + rep

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