Poll:Physics p31

[thats_me]

Same here and the mass of ice added was i think 63.6g

yes!!

 

[mania _ manal]

kesay pata ?

 

[thats_me]

haha fr a second i thout how did ths person knw

lol!! :O hehe

 

[thats_me]

kesay pata ?

areebaization did the same

 

[areebaization]

areebaization did the same

what? :O

 

[thats_me]

what? :O

lol LDR's position

 

[areebaization]

I think the flask question had to something with expansion? :S thats_me

 

[thats_me]

I think the flask question had to something with expansion? :S thats_me

INBOX!

 

[areebaization]

INBOX!

Lol! we better! or else we'll be blocked

 

[thats_me]

Lol! we better! or else we'll be blocked

Egjactly!

 

[Hamzeh S]

Guys second page did you write acceleration and deacceleration and the one in the middle constant speed ? i got speed 6.66 and the max speed was 9.33 ? the flask question it went down cause the tube expanded went up again because the water gained kinetic energy and expanded and the difference i higher because liquids e xpands at higher rate than solids ??

 

[Chucky Fox]

I must say, it was quite difficult! :/

 

[areebaization]

Guys second page did you write acceleration and deacceleration and the one in the middle constant speed ? i got speed 6.66 and the max speed was 9.33 ? the flask question it went down cause the tube expanded went up again because the water gained kinetic energy and expanded and the difference i higher because liquids e xpands at higher rate than solids ??

yup

 

[Hamzeh S]

yup

oh thank god what about how to make a positivivly charged object i wrote earthing negative will escape and positive charges will replace it

 

[areebaization]

oh thank god what about how to make a positivivly charged object i wrote earthing negative will escape and positive charges will replace it

yeah that was it
But for the particles that move i guess we had to write "electrons" and not protons...Coz i think net positivity or negetivity comes from moving of the electrons..loss of electrons +ve and gain of electrons -ve

 

[Hamzeh S]

guys in the question about electricity first one i got 2.4 since v=IR and we got the current and resistance
second one was 2.4= 2I
so current is equal to 1.2
last part i found the resistance in parallel and used V which is 6 = the whole current which was 1.2 + 0.8 so 2 and the resistance which was the resistance in parralel (2x3 / 2+3 ) + the unkown resistance eventually i got 1.8 Ohms ??

 

[Hamzeh S]

yeah that was it
But for the particles that move i guess we had to write "electrons" and not protons...Coz i think net positivity or negetivity comes from moving of the electrons..loss of electrons +ve and gain of electrons -ve

yaa i did the same mistake

 

[Omar Hosny]

They didn't ask to draw sure

 

[Omar Hosny]

What was the answer to the resistance question (The bloody 4 mark)?? Please tell me its 0.8

1.8

 

[Hamzeh S]

1.8

ya i got the same