thnx alotLOL! Ur not annoying me a bit(M not studying atm, tired :| so taking a break
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Physics Unit 4 JUNE 11/6/12
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Ur so welcomethnx alot
im really sry again bt im so missed up in these types of ques'sUr so welcome
its a multiple choice que in the study guide pg 78 Q(5) i ned u 2 help me in solving tht
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I'm sooooooooooooooooooooo sorry! I wasnt well last night so slept early.. really apologizeim really sry again bt im so missed up in these types of ques's
it'll be 2/3. The specific heat capacity is inversely proportional to temperature, so if c is halved, delta T will double. Mass is also inversely proportional to temperature, since it is being tripled here, delta T will become 1/3rd so together that makes it 2/3 the temperature change of water
its okI'm sooooooooooooooooooooo sorry! I wasnt well last night so slept early.. really apologize
it'll be 2/3. The specific heat capacity is inversely proportional to temperature, so if c is halved, delta T will double. Mass is also inversely proportional to temperature, since it is being tripled here, delta T will become 1/3rd so together that makes it 2/3 the temperature change of water
Hope u get well soon im sure tht's all cuz of studies tension.. and thnx alot ok and the que b4 it? abt the time of tides tht also i cldn't solve and i wanna ask u tel me if ths is ryt nw in supernova explosion 1st: the start begins as a blue super giant and hydrogen burning takes place at a high rate then after its completed it becmes a red giant and nuclear fusion of heavier elements takes places whn ths is also completed and no energy is given out then due 2 the strng gravitational forces the start shrinks until it collapses and ths is supernova explosion is it correct?
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Thanks n yes its cuz of that I thinkits ok
ur welcome Its at 9 pm.. draw a s-t graph for the waves starting from a maxima at 12 and continue.. the time period is 12 hrs and see the points which touch the x-axis (v is max at these points) Of all the possible times, only 9 is an option so thats the answer.
Yes, thats right
but u also need to mention the fact that ONLY if the mass is 8 times that of the sun, the shrinkage is so rapid that it causes a supernova explosion ok how bt 2 draw the graphs and wat 2 place on the x-axis i fel i cnt do the exam 2mrowThanks n yes its cuz of that I think
Its at 9 pm.. draw a s-t graph for the waves starting from a maxima at 12 and continue.. the time period is 12 hrs and see the points which touch the x-axis (v is max at these points) Of all the possible times, only 9 is an option so thats the answer.
Yes, thats right
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The displacement on the y-axis as always and time on x-axisok how bt 2 draw the graphs and wat 2 place on the x-axis i fel i cnt do the exam 2mrow
Like a normal SHM graph (cos graph)No, I feel ur better prepared than me, the way u remeber star formations n stuff
and don't think that way... the whole day is left still im so weak whn they ask abt ques's like ths is more than tht in 8 times and suchThe displacement on the y-axis as always and time on x-axis
No, I feel ur better prepared than me, the way u remeber star formations n stuff
and tht always cme up in past papers and 1 more que im really sry in the perason bok pg 188 do we hve 2 kno tht stuff abt seconds of arc and parsec? cuz ther is a que in the worked example at the end of the page which is confusing
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Well for those u just need to see wether its directly or inversely proportional and wether its squared/cubed or not, thats allim so weak whn they ask abt ques's like ths is more than tht in 8 times and such
Dw, it'll be few marks only for that n m sure u'll understand with practice Yes we need to know them...
Well for those u just need to see wether its directly or inversely proportional and wether its squared/cubed or not, thats all
Yes we need to know them...
i didn understand the worked example and y they divided 1.52/2
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I'll explain u in 5 mins okay... cuz I haven't studied that too =/
sure
ok jst 1 more last que in astrophysics Q(22) 2nd part abt Y is twice distance
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1 arcsecond is 1/3600 degrees. A parsec is the distance between the earth and a star when the angle of parallax after 6 months is 1 arcsecond.
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Thats because we're using v=Hd and when d doubles, v also doubles. substitute 2.56 x 10^7 as v and solvesure
(Even I dint get this answer before
)my only wish nw is i wnt 2mrow 2 cme im seriously fedup frm phyThats because we're using v=Hd and when d doubles, v also doubles. substitute 2.56 x 10^7 as v and solve
(Even I dint get this answer before
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me 2 bt i jst wnt 2 finish frm it:O I'm dreading it
ok there is a que (22) is it required? its abt gravitaional potential
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me 2 bt i jst wnt 2 finish frm it
True that Question 22 where? In the old questions? :S
ya
Question 22 where? In the old questions? :S