use Q = mL is it?
how??? D:
is it m1L1=M2L2
I bodoh at this chapter, really.
SPM Thread 08/09 (V 3), SPM is coming soon..!!!! Final days..!!
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 Oct 28 2008, 03:56 PM
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Junior Member
306 posts Joined: Jul 2008 From: Subang Jaya   
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Oct 28 2008, 03:58 PM
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Senior Member
1,287 posts Joined: Feb 2008 
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QUOTE(oopsidaisium @ Oct 28 2008, 03:56 PM) use Q = mL is it? mL + mc0 = [0.6 x 3.34 x 10^5] + [0.6 x 4200 x 60]how??? D: is it m1L1=M2L2 I bodoh at this chapter, really.  |
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Oct 28 2008, 03:58 PM
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Senior Member
3,871 posts Joined: May 2008 
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no la..use mL + mcO
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Oct 28 2008, 03:59 PM
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Junior Member
306 posts Joined: Jul 2008 From: Subang Jaya
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Oh wow. Got that method is it??? D:
Under which subtopic. |
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Oct 28 2008, 04:00 PM
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Senior Member
3,871 posts Joined: May 2008
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tis is combination de..
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Oct 28 2008, 04:01 PM
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Junior Member
306 posts Joined: Jul 2008 From: Subang Jaya
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Oooo, just found it in my book. Phewh.
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Oct 28 2008, 04:01 PM
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Senior Member
1,287 posts Joined: Feb 2008
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QUOTE(oopsidaisium @ Oct 28 2008, 03:59 PM) Oh wow. Got that method is it??? D: Whenever ice > water or vice versa you need to add mL to the heat required. The same goes to liquid > gas and vice versa. Please note that L varies for different substance.Under which subtopic. |
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Oct 28 2008, 04:13 PM
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Senior Member
3,871 posts Joined: May 2008
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QUOTE(oopsidaisium @ Oct 28 2008, 04:01 PM) Oooo, just found it in my book. Phewh. actually very easy de..Added on October 28, 2008, 4:34 pmanother ques A ballon is filled with gas at atm pressure. The ballon is then immersed into water until its volume is 1/16 of its original volume. what is the depth of the balloon from the surface of the water? ( atm pressure =10m of water) A. 75m B.80m C. 150m D. 160m what made the car hydraulic brake system NOT EFFECTIVE if there is air bubble in the system? A. When the brake is pressed, the air bubble is compressed B. The air bubble will reduce the brake liquid pressure C. The air bubble will expand when the brake is heated up D. The air will flow out when the brake is pressed.. is it A? This post has been edited by vick5821: Oct 28 2008, 04:42 PM |
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Oct 28 2008, 04:47 PM
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Senior Member
1,287 posts Joined: Feb 2008
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QUOTE(vick5821 @ Oct 28 2008, 04:13 PM) Added on October 28, 2008, 4:34 pmanother ques A ballon is filled with gas at atm pressure. The ballon is then immersed into water until its volume is 1/16 of its original volume. what is the depth of the balloon from the surface of the water? ( atm pressure =10m of water) A. 75m B.80m C. 150m D. 160m what made the car hydraulic brake system NOT EFFECTIVE if there is air bubble in the system? A. When the brake is pressed, the air bubble is compressed B. The air bubble will reduce the brake liquid pressure C. The air bubble will expand when the brake is heated up D. The air will flow out when the brake is pressed.. is it A? 2) A |
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Oct 28 2008, 05:25 PM
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Senior Member
4,583 posts Joined: Oct 2006 From: ... suddenly 1 week
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QUOTE(vick5821 @ Oct 28 2008, 04:13 PM) another ques 1. CA ballon is filled with gas at atm pressure. The ballon is then immersed into water until its volume is 1/16 of its original volume. what is the depth of the balloon from the surface of the water? ( atm pressure =10m of water) A. 75m B.80m C. 150m D. 160m what made the car hydraulic brake system NOT EFFECTIVE if there is air bubble in the system? A. When the brake is pressed, the air bubble is compressed B. The air bubble will reduce the brake liquid pressure C. The air bubble will expand when the brake is heated up D. The air will flow out when the brake is pressed.. is it A? p1v1=p2v2 v2/v1=p1/p2=1/16 10/(p1+10)=1/16 p1=150m 2. A no air in hydraulic system as air is compressive. |
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Oct 28 2008, 05:52 PM
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Senior Member
3,871 posts Joined: May 2008
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oh..so some of the force will be used to compress the air bubble?
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Oct 28 2008, 06:00 PM
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Senior Member
1,287 posts Joined: Feb 2008
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QUOTE(vick5821 @ Oct 28 2008, 05:52 PM) oh..so some of the force will be used to compress the air bubble? Yes. The existence of air bubbles reduce the efficiency of the system as some force are used to compress the bubbles. |
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Oct 28 2008, 08:38 PM
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Junior Member
322 posts Joined: May 2008 From: ss19 subang jaya
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i think for the bubble thing it could be A or B . what is the actual answer
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Oct 28 2008, 08:39 PM
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Senior Member
3,871 posts Joined: May 2008
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C..hahaha..btw..i dunoe la...last year exam paper
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Oct 28 2008, 08:42 PM
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Senior Member
4,583 posts Joined: Oct 2006 From: ... suddenly 1 week
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Second thought, C is a possible answer too.
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Oct 28 2008, 08:55 PM
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Senior Member
765 posts Joined: May 2008
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QUOTE(vick5821 @ Oct 28 2008, 08:33 AM) tis paper is last year paper and berkemungkinan my tomorrow PJK exam will use the paper from JPN And I heard civics too. There were rumors started to spread around my district and some teacher from other school want us to lend them the civic book to introduce to the students.  |
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Oct 28 2008, 11:03 PM
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Senior Member
1,527 posts Joined: Apr 2005 From: Heaven 
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Damn damn. Need to study account. I don't know nothing about Account.
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Oct 28 2008, 11:20 PM
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Senior Member
1,287 posts Joined: Feb 2008
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QUOTE(arshad @ Oct 28 2008, 11:03 PM) Damn damn. Need to study account. I don't know nothing about Account. Ya right  |
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Oct 29 2008, 12:11 AM
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Senior Member
2,550 posts Joined: Dec 2006
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Reading karangan now...sejarah left 6 chapter...2 is not important...going to spend 2 day to finish it..
Have a questions here,do you guy still going school like usual? |
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Oct 29 2008, 12:38 AM
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Senior Member
1,287 posts Joined: Feb 2008
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I can't find any reason for not going to school.
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