Home
Given answer is B :/
![Simple Physics question I can't solve :L [NVM I solved it] Bhu6](https://2img.net/r/ihimizer/img46/5259/bhu6.png)
Edit : Solved it.
![Simple Physics question I can't solve :L [NVM I solved it] 1474930_10201884025214962_316541943_n](https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-prn2/v/1474930_10201884025214962_316541943_n.jpg?oh=23cef9ba614929bea84315a033147451&oe=52984C59&__gda__=1385781796_a890bd3f0dfdd28da2808dece31d7e79)
![Simple Physics question I can't solve :L [NVM I solved it] 1469937_10201884023934930_645413949_n](https://fbcdn-sphotos-h-a.akamaihd.net/hphotos-ak-prn2/v/1469937_10201884023934930_645413949_n.jpg?oh=62c1ee3ac979175a353716924dd46dcc&oe=5294D8A5&__gda__=1385547288_90a543a19d1decccf564a1b4c36cfbd8)
Edit : Solved it.
Last edited by The Uzumaki on 2013-11-27, 17:40; edited 2 times in total
+2
EthanLaw
The Uzumaki
6 posters
Simple Physics question I can't solve :L [NVM I solved it]
The Uzumaki- VIP
- Posts : 9689
Join date : 2011-08-12
Age : 28
Location : Malaysia
- Post n°1
![Simple Physics question I can't solve :L [NVM I solved it] Empty](https://2img.net/i/empty.gif)
Simple Physics question I can't solve :L [NVM I solved it]
by The Uzumaki 2013-11-25, 06:23
Last edited by The Uzumaki on 2013-11-27, 17:40; edited 2 times in total
The Uzumaki- VIP
- Posts : 9689
Join date : 2011-08-12
Age : 28
Location : Malaysia
- Post n°2
Re: Simple Physics question I can't solve :L [NVM I solved it]
by The Uzumaki 2013-11-25, 06:24
Help plox
The Uzumaki- VIP
- Posts : 9689
Join date : 2011-08-12
Age : 28
Location : Malaysia
- Post n°3
Re: Simple Physics question I can't solve :L [NVM I solved it]
by The Uzumaki 2013-11-25, 10:43
21 views and not one person? Cmon
EthanLaw- Member
- Posts : 16
Join date : 2013-11-23
- Post n°4
Re: Simple Physics question I can't solve :L [NVM I solved it]
by EthanLaw 2013-11-25, 10:53
69 views, 2 people commented... come on!
Slash- Global Mod
- Posts : 10756
Join date : 2012-04-01
Age : 27
Location : Ali's computer
Think of it this way, the height of the water halves, along with the mass of the water.
So if it was initially 10m, and 10 KG, it is now 5 KG and 5M.
G is a constant so it doesn't change.
Since two of the variables are getting halved (x1/2)
1/2 x 1/2 = 1/4
Answer = Mgh / 4
I think.
So if it was initially 10m, and 10 KG, it is now 5 KG and 5M.
G is a constant so it doesn't change.
Since two of the variables are getting halved (x1/2)
1/2 x 1/2 = 1/4
Answer = Mgh / 4
I think.
The Uzumaki- VIP
- Posts : 9689
Join date : 2011-08-12
Age : 28
Location : Malaysia
- Post n°6
Re: Simple Physics question I can't solve :L [NVM I solved it]
by The Uzumaki 2013-11-25, 12:00
nope, it there are 2 containers. If initial is 10x10xg = 100gSlash wrote:Think of it this way, the height of the water halves, along with the mass of the water.
So if it was initially 10m, and 10 KG, it is now 5 KG and 5M.
G is a constant so it doesn't change.
Since two of the variables are getting halved (x1/2)
1/2 x 1/2 = 1/4
Answer = Mgh / 4
I think.
final will be 2 x (5x5xg) = 50g
so lost is mgh/2
G- Highroller
- Posts : 10394
Join date : 2011-07-05
Age : 24
Location : DM
That isn't simple buddy, atleast not in America haha. 
The Uzumaki- VIP
- Posts : 9689
Join date : 2011-08-12
Age : 28
Location : Malaysia
- Post n°8
Re: Simple Physics question I can't solve :L [NVM I solved it]
by The Uzumaki 2013-11-25, 12:06
LOL NVM I SOLVED IT@@@@@@@@@@@@@@@@@@@@@@@@@
The Uzumaki- VIP
- Posts : 9689
Join date : 2011-08-12
Age : 28
Location : Malaysia
- Post n°9
Re: Simple Physics question I can't solve :L [NVM I solved it]
by The Uzumaki 2013-11-25, 12:07
Last part can't be seen on the right, loss is mgh/2 - mgh/4 = mgh/4
Farmer Joe- Member
- Posts : 63
Join date : 2013-11-24
Age : 35
Location : Farmland
- Post n°10
Re: Simple Physics question I can't solve :L [NVM I solved it]
by Farmer Joe 2013-11-25, 13:51
well, my parents never put me in public school, they just taught me the simple stuff and left me into the world.. ahh 
Slash- Global Mod
- Posts : 10756
Join date : 2012-04-01
Age : 27
Location : Ali's computer
No wtf mine makes more sense
Why is the initial mgh/2
idot explain
Why is the initial mgh/2
idot explain
The Uzumaki- VIP
- Posts : 9689
Join date : 2011-08-12
Age : 28
Location : Malaysia
- Post n°12
Re: Simple Physics question I can't solve :L [NVM I solved it]
by The Uzumaki 2013-11-25, 19:42
LOLSlash wrote:No wtf mine makes more sense
Why is the initial mgh/2
idot explain
don't use formulas without knowing what they mean.
When we use mgh normally, it means the body is at a height of h. Example a ball on top of 100m building.
If you take the full h, you're indicating all the mass of water acts at point h. Which is not true. That's why use the centre, h/2 cause that's where the mass of water acts.
It's an AS past year paper. The answer isn't wrong, I just had to work on it and finally figured it out.
Oh btw,
Idiot
<3
Slash- Global Mod
- Posts : 10756
Join date : 2012-04-01
Age : 27
Location : Ali's computer
Dude i never learned the rule where you use h/2 cuz it's in the centerThe Uzumaki wrote:LOLSlash wrote:No wtf mine makes more sense
Why is the initial mgh/2
idot explain
don't use formulas without knowing what they mean.
When we use mgh normally, it means the body is at a height of h. Example a ball on top of 100m building.
If you take the full h, you're indicating all the mass of water acts at point h. Which is not true. That's why use the centre, h/2 cause that's where the mass of water acts.
It's an AS past year paper. The answer isn't wrong, I just had to work on it and finally figured it out.
Oh btw,
Idiot
We never have dealt with mgh in water
I thought this was olevels
fku
Shygodd- VIP
- Posts : 2778
Join date : 2012-05-08
Age : 29
Location : UK
- Post n°14
Re: Simple Physics question I can't solve :L [NVM I solved it]
by Shygodd 2013-11-27, 17:30
r2 x 10 to the 24
Sponsored content
|
|
|