• We need your support!

    We are currently struggling to cover the operational costs of Xtremepapers, as a result we might have to shut this website down. Please donate if we have helped you and help make a difference in other students' lives!
    Click here to Donate Now (View Announcement)

Physics P1 and P2: Discussi0n

Messages
15
Reaction score
0
Points
11
wt abt tat dc motor's mcq whick askd 4 sthg relatd 2 commutators...dun remembr the xct question...the answer 2 it was as it passes the vertical position currnt ix reversd or the horizontal position??
 
Messages
175
Reaction score
13
Points
28
af1992 said:
wt abt tat dc motor's mcq whick askd 4 sthg relatd 2 commutators...dun remembr the xct question...the answer 2 it was as it passes the vertical position currnt ix reversd or the horizontal position??


yea ur ans wer ix rite, ;)
 
Messages
15
Reaction score
0
Points
11
i meant 2 ask k i selctd the horizontal one.....is it crct or tat vrtical ix crct???
 
Messages
59
Reaction score
0
Points
0
Alhamdulliah paper was easy.....
beside a few mcqs and a few thingys in paper2 everything went good Shukar Alhamdulliah :)
 
Messages
732
Reaction score
27
Points
26
can any one tell me the exact Question statement of the parachute energy conversion .??
 
Messages
732
Reaction score
27
Points
26
af1992 said:
wt abt tat dc motor's mcq whick askd 4 sthg relatd 2 commutators...dun remembr the xct question...the answer 2 it was as it passes the vertical position currnt ix reversd or the horizontal position??

the answer was .!
---> reverse the D.C current in the coils as it passes the vertical position
 
Messages
11
Reaction score
0
Points
0
Worst paper of my life... P1 was easy no doubt bt p2 seemed very difficult to me.. I am so worried.. Guys plz pray for me that I do get an A ..
 
Messages
732
Reaction score
27
Points
26
can any one tell me the exact Question statement of the parachute energy conversion .??
 
Messages
4
Reaction score
0
Points
11
in section B, ques. no 1 (that graph one)...was the t2 (final time) time given as t =4secs or 'after 4 seconds' ??? :S
nd wat was the final time in the graph, 4 secs or 4.6 secs????
 
Messages
369
Reaction score
19
Points
28
AlteredTuning said:
in section B, ques. no 1 (that graph one)...was the t2 (final time) time given as t =4secs or 'after 4 seconds' ??? :S
nd wat was the final time in the graph, 4 secs or 4.6 secs????

the final temp. was 4 sec .. it was stated in the question ..
 
Messages
369
Reaction score
19
Points
28
1.wht was the answer to energy changes of the parachutist . .?
2.wht was the the answer to real or virtual for camera and magnifying glass. ?
3.in P2 Q1 did we hav to write the angle also with the direction of the resultant .. ?
 
Messages
175
Reaction score
13
Points
28
AlteredTuning said:
in section B, ques. no 1 (that graph one)...was the t2 (final time) time given as t =4secs or 'after 4 seconds' ??? :S
nd wat was the final time in the graph, 4 secs or 4.6 secs????

The graph was to be made like this :
Graph.bmp


@ mobeen: it was stated that the car stopped 4 second after the brakes wre applies:
brakes applied = 0.6s
car stopped = 4 + 0.6 = 4.6


1) energy cange was potentia;l to thermal
2) camera: real , magnifying glass: virtual
3) i thin 22`
 
Messages
53
Reaction score
0
Points
0
the answer of energy conversion in parachute was from gravitational potential energy to Kinetic energy .!!!
CONFIRMED
 
Messages
369
Reaction score
19
Points
28
after my paper 1 i ws so sure i wud get full .. now one by one many mistakes are cumin forward .. this SUX !
 
Messages
175
Reaction score
13
Points
28
u r wrong sunshine,
i ave confirmed dis from my dad,
hez physics professor ;)
 
Messages
73
Reaction score
0
Points
16
Yeah it was kinetic to heat. THis is a repeat question . I think I have seen it in one of the past papers paper 2s.
 
Top