Physics ppr 1 Discussion Here only!

[girl_92]

the height or mercury only depend on the vertical height..so i put as B same length...as its height is not changing i dono?

Ur right...thr's no relationship between cross-sectional area and the height of the mercury....
The formula for Pressure in Fluids is = hdg...Height gravity and gravity.....since gravity is the same and so is the density and so is atmospheric pressure height wont change

100% Correct.....

Guys what did you write for the fuse question and the other one regarding the placement of a fuse or a circuit breaker?

For fuse I chose 1A ... not so sure and for the other question I chose the position of both the fuse and the circuit breaker at X (live wire)... am I correct 

The echo for the click was the ZY position (not sure of the abbriviations) but it was the one with the short distant wall.

For the copper&wood question... I didn't choose copper at all because it's a good conductor of heat and the whole thing will be really hot .. so it was obviously the other end of the wood?

for the echo thing im 100% sure it was zy because it was a repeated question i saw the answer in the marking scheme

[unknown]

the height or mercury only depend on the vertical height..so i put as B same length...as its height is not changing i dono?

Ur right...thr's no relationship between cross-sectional area and the height of the mercury....
The formula for Pressure in Fluids is = hdg...Height gravity and gravity.....since gravity is the same and so is the density and so is atmospheric pressure height wont change

100% Correct.....

Guys what did you write for the fuse question and the other one regarding the placement of a fuse or a circuit breaker?

For fuse I chose 1A ... not so sure and for the other question I chose the position of both the fuse and the circuit breaker at X (live wire)... am I correct 

The echo for the click was the ZY position (not sure of the abbriviations) but it was the one with the short distant wall.

For the copper&wood question... I didn't choose copper at all because it's a good conductor of heat and the whole thing will be really hot .. so it was obviously the other end of the wood?

for the echo thing im 100% sure it was zy because it was a repeated question i saw the answer in the marking scheme

yeah it was a repeated q d ans was c thts zy

[Diablo]

the height or mercury only depend on the vertical height..so i put as B same length...as its height is not changing i dono?

Ur right...thr's no relationship between cross-sectional area and the height of the mercury....
The formula for Pressure in Fluids is = hdg...Height gravity and gravity.....since gravity is the same and so is the density and so is atmospheric pressure height wont change

100% Correct.....

Guys what did you write for the fuse question and the other one regarding the placement of a fuse or a circuit breaker?

For fuse I chose 1A ... not so sure and for the other question I chose the position of both the fuse and the circuit breaker at X (live wire)... am I correct 

The echo for the click was the ZY position (not sure of the abbriviations) but it was the one with the short distant wall.

For the copper&wood question... I didn't choose copper at all because it's a good conductor of heat and the whole thing will be really hot .. so it was obviously the other end of the wood?

for the echo thing im 100% sure it was zy because it was a repeated question i saw the answer in the marking scheme

Yes it was repeated actually , I've done 16 past papers 2 days before the exam lool. Well, I guess my doubts are done... however I just wanted to make sure of a few other things.

First question... was the answer 50m/s?
Third.... 0.764m ?

And the average power... was it the one where the person runs up the slide thing ?

[unknown]

the height or mercury only depend on the vertical height..so i put as B same length...as its height is not changing i dono?

Ur right...thr's no relationship between cross-sectional area and the height of the mercury....
The formula for Pressure in Fluids is = hdg...Height gravity and gravity.....since gravity is the same and so is the density and so is atmospheric pressure height wont change

100% Correct.....

Guys what did you write for the fuse question and the other one regarding the placement of a fuse or a circuit breaker?

For fuse I chose 1A ... not so sure and for the other question I chose the position of both the fuse and the circuit breaker at X (live wire)... am I correct 

The echo for the click was the ZY position (not sure of the abbriviations) but it was the one with the short distant wall.

For the copper&wood question... I didn't choose copper at all because it's a good conductor of heat and the whole thing will be really hot .. so it was obviously the other end of the wood?

for the echo thing im 100% sure it was zy because it was a repeated question i saw the answer in the marking scheme

Yes it was repeated actually , I've done 16 past papers 2 days before the exam lool. Well, I guess my doubts are done... however I just wanted to make sure of a few other things.

First question... was the answer 50m/s?
Third.... 0.764m ?

And the average power... was it the one where the person runs up the slide thing ?

its al correct i m sure abt these atleast

[halosh92]

wht was d ans to d fuse q tht 0.25a n al tht i dnt remember d q exactly n ya also d ruler 1 nearest mm i chose as 0.764
i feel barometer is b bcz cross section area doesnt affect d pressure
d fuse n live wire thingy was x n x i guess mostly correct
n ya wht was tht magnet n tht p q
i wrote c p=south n q=north n ya ne more doubts plz put up asap

i dont remember the fuse...the barometer is correct..its all correct im not sure about the first one though..wat was the magnetic effect *the compass*???direction???

[bibo the wa7sh]

waT iS the answer for the energy thingy....hyrolectric...nuclear??
nD the one for the waves from deep to shaLLow wHat haPPenS??
number 39 ....do we substract 4 or 2 from 138??

[Diablo]

Alright then  , thanks a lot guys. Now I can go on with my chemistry! Good luck for those who are doing Chemistry tomorrow !

And I hope that we have all done well on this paper, and I do agree that it was really tricky

[Diablo]

waT iS the answer for the energy thingy....hyrolectric...nuclear??
nD the one for the waves from deep to shaLLow wHat haPPenS??
number 39 ....do we substract 4 or 2 from 138??

I wrote hydroelectric;
For waves.... I think I chose C because the speed changes and so does the direction;
138>2+136 ... um so the answer was 136.. I guess?

[XaM!!]

wat abt dat barometer one?? whch postition will t get? n secondly wat abt dat smoke ques???

[girl_92]

waT iS the answer for the energy thingy....hyrolectric...nuclear??
nD the one for the waves from deep to shaLLow wHat haPPenS??
number 39 ....do we substract 4 or 2 from 138??

it was 136 u subtract 2 n the energy thingy was hydroelectric because the energy produced in a nuclear power station is used to heat water to produce steam

[Diablo]

wat abt dat barometer one?? whch postition will t get? n secondly wat abt dat smoke ques???

Barometer, the height will be the same.. as for the smoke question it's because it's less dense than air.

[girl_92]

wat abt dat barometer one?? whch postition will t get? n secondly wat abt dat smoke ques???

barometer was same height n smoke was tht less denser air rises up

[unknown]

waT iS the answer for the energy thingy....hyrolectric...nuclear??
nD the one for the waves from deep to shaLLow wHat haPPenS??
number 39 ....do we substract 4 or 2 from 138??

I wrote hydroelectric;
For waves.... I think I chose C because the speed changes and so does the direction;
138>2+136 ... um so the answer was 136.. I guess?

they asked d nutrons so y subtract only protons change nt nutrons

[Ukhti-R]

wasnt the 1st answer 60m/s ?

and the echo wasnt it ... PV.. the side tht the girl was standing on ..?

and the one about the fuse ... I wrote 10A ...is it correct ?

[5555]

WOOOOOOOHHHHHHOOOOOO thanks guyz. by da way wat do u guyz thnk will Chem be as easy as it was chem n phy..