IGCSE Physics Paper 1 Variant 1

[JimmyCarter]

sarcastic much?

 

[Jisu]

It is obviously Strain energy, this question did come before in p3 guys

really??

 

[JustAnotherPerson22]

for anyone wondering about pendulum question, heres the proof it's not gpe =P

 

[JimmyCarter]

Its also not strain tho
-______________________________-

for anyone wondering about pendulum question, heres the proof it's not gpe =PView attachment 9675

 

[phantom]

for anyone wondering about pendulum question, heres the proof it's not gpe =PView attachment 9675

Anything above the earth's surface has GPE, and the question clearly stated the energy in the bob, guess we'll never till August

 

[JustAnotherPerson22]

Its also not strain tho
-______________________________-

well this article doesn't mention strain energy
just shows the relation of ke and gpe
it's obviously not gpe dude
most likely strain

 

[JustAnotherPerson22]

Anything above the earth's surface has GPE, and the question clearly stated the energy in the bob, guess we'll never till August

The question said it was gravitational energy to = ke and other shit
how can it be gpe again o.x
besides I know the mgh equation but this is different dude o.X

 

[svenas]

The answer for the boat and water wave is Diffraction and Larger gap
using a larger gap would cause a smaller side curve for the waves, using a smaller gap would cause full diffraction which leads to waves going everywhere.
so it's pretty simple that making the gap wider would result in waves travelling almost straight and will be less likely to hit boat
and for the potential voltmeter question
it's 12v to 0v which is "A"
since in potential dividers top is maximum and bottom is minimum
*My work here is done*

ok wat u chose for the pendulum one that energy conversion???

 

[AhmedMans]

It IS gravitational, kinetic energy changes to gravitational and that's why it's at rest at the far right and far left positions.

 

[JustAnotherPerson22]

It IS gravitational, kinetic energy changes to gravitational and that's why it's at rest at the far right and far left positions.

It said GPE = KE + X + other energies it really never mentioned KE as the first part, but logically it can't be gpe again since they're probably asking for another energy type which is elastic strain energy

 

[svenas]

It said GPE = KE + X + other energies it really never mentioned KE as the first part, but logically it can't be gpe again since they're probably asking for another energy type which is elastic strain energy

i wrote strain energy..bt wait when they say +energy loses, does this means the combination of other energies like strain?

 

[Weirdal95]

It's gravitational potential energy and I'm sure of it, showed a teacher the question and she said it was Gravitational Potential energy, and I also saw the same example in my book, Pe-KE+PE the back up PE

 

[Weirdal95]

And it doesn't matter whether they already wrote GPE cause they just want to make you think , oh they wrote that so i probably shouldn't put it again, when obviously it is GPE.

 

[svenas]

The answer for the boat and water wave is Diffraction and Larger gap
using a larger gap would cause a smaller side curve for the waves, using a smaller gap would cause full diffraction which leads to waves going everywhere.
so it's pretty simple that making the gap wider would result in waves travelling almost straight and will be less likely to hit boat
and for the potential voltmeter question
it's 12v to 0v which is "A"
since in potential dividers top is maximum and bottom is minimum
*My work here is done*

what is the answer for pendulum one??

 

[svenas]

It is obviously Strain energy, this question did come before in p3 guys

which year???????

 

[ZainH]

And it doesn't matter whether they already wrote GPE cause they just want to make you think , oh they wrote that so i probably shouldn't put it again, when obviously it is GPE.

I don't think you can get GPE = K.E +GPE

Thats like saying 2 = 1+2 :S
I wrote strain as well, it made sense are there was a string attatched.

 

[wajji345]

http://www.xtremepapers.com/community/threads/computer-studies-ict-or-biology.15298/

 

[JimmyCarter]

http://www.xtremepapers.com/community/threads/computer-studies-ict-or-biology.15298/

aww, so much sadness in that signature

 

[mr0fisher]

the hardest question was the name {very hard}

 

[JimmyCarter]

the hardest question was the name {very hard}

which name?