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Won't that measure only weight????on a balance, mass is measured sue to it's weight
on balance there are masses in two sides and one is raised until it matches the other one so we know how much other thing weighs.
It wouldn't be difficult for you if you have seen old kind of balance for measuring mass or weight.
you are right. but as we are comparing weight of 100N with something the other thing will also have weight of 100N to balance it. as we are measuring on earth, all 100N objects are 10KG. it will only make a difference if the gravity changes. actually it compares the weight to find the mass. hope u got it.Won't that measure only weight????
bii) Since F=m x a, we re-arrange the formula to get a=F/m. Sub in the values F being 20 N and m being 2kg, to get 10m/s-2 as the acceleration.PLZ tell the ans of part iiView attachment 20443
View attachment 20954View attachment 20955 Hi guys just wanted to ask something about the physics chapter: pressure
Year: 2002
Paper 2 question 10 c i) and ii)
Snapshot of the question and the diagram has been attached.
Please tell me how the volume was obtained from the values given, what formula was used, and what distance formula was used for c ii) Please explain thanks
Hi thankyou for ur detailed answer, but i still dont get the first part of the answer u explained. u said to use the volume formula, but there is no length, breadth over there in the diagram.I think the formula of volume would be applied here. V=lxbxh
As the area in part 1 for piston P is already given you will multiply it with the distance moved, which is 5cm.
So 20x5= 100 cm^3
As for part 2, the area given for piston Q is different but the obviously the volume of oil would remain the same that will move it upwards. You will use the same formula.
V=lxbxh
The area and volume are given. 100= 400 x h
The answer will be 1/4 or 0.25 cm
Ok. The formula of volume is lxbxh.Hi thankyou for ur detailed answer, but i still dont get the first part of the answer u explained. u said to use the volume formula, but there is no length, breadth over there in the diagram.
Oh yeah now it makes sense , Thanks alotOk. The formula of volume is lxbxh.
As you can see, that the area of the piston is already given. The formula for area is lxb. So the product of length and breadth is already given in the form of area, we just have to multiply it with height to get the volume.
Does that clear it? By the way is the answer correct?
No problem, I learned too.Oh yeah now it makes sense , Thanks alot
are u studying olevel physics right now or have u finished studying for it before and given an exam?No problem, I learned too.
I am going to give Olevels physics in May this year.are u studying olevel physics right now or have u finished studying for it before and given an exam?
Same here, gave it last last year but got an F due to lack of studying, but surely gona nail this time. If i have any questions regarding anything about physics, can i message you? Im studying without a textbook, and just have a past paper book and notes obtained from this forum. Goodluck with your studying!I am going to give Olevels physics in May this year.
Yeah sure. You too!Same here, gave it last last year but got an F due to lack of studying, but surely gona nail this time. If i have any questions regarding anything about physics, can i message you? Im studying without a textbook, and just have a past paper book and notes obtained from this forum. Goodluck with your studying!
Thanks alot. Really appreciateYeah sure. You too!
I will be very happy to help. post questions over here or in conversation and I will answer inshallah.Same here, gave it last last year but got an F due to lack of studying, but surely gona nail this time. If i have any questions regarding anything about physics, can i message you? Im studying without a textbook, and just have a past paper book and notes obtained from this forum. Goodluck with your studying!
thankyou so much, will be keeping in contact with you aswell. appreciate alot.I will be very happy to help. post questions over here or in conversation and I will answer inshallah.
plz tell me how to prepare physics,chemistry and biology! plz tell me the pattern or the way/track through which I can improve my science subjects!Assalam-o-Allaikum and Hi everyone ,
hope u all are doin great !
Well as the topic says help for chemistry biology and Physics is available here that means that u can ask any mind blowing question or ask any question regarding a particular topic or ask abt any questions from Past paper or any of your text books.
I made this topic so that people dont make many posts asking abt bio,physics or chemistry individually but they can post their reply here where it can be answered with ease and the members wont have to go searching for topics to help! !
So what are u waiting for now write ur questions here !
THANKS and Bye or Allah Hafiz !
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