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my photog gang...miss them

^_^

me and my girlfriend..=P

Free Dota key giveaway

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Wednesday, July 27, 2011

Aku Tak Tahu dan Tak Menahu.....

Salam, Lame xupdate blog.....almaklumla aku ni pemalas...menaip pn malas....hahahahaha

arini aku cite sikit pasal orang yang xboleh terima pendapat orang lain ataupn tidak langsung menerima alasan aka penjelasan orang lain.

arini aku pegi sekolah nk mengajar macam biase, tengah aku prepare nk ngajar PJ [nk kene observe kene la berlakon sikit], satu bala da datang.

da la pagi ngajar PJ, lepas PJ terus ngajar sains nk kene observe plak tu. aku pn penin la cane nk wat arini. Rancangan Pengajaran Harian aka RPH ade, tp tu la x aspect die leh datang....consider la sikit sebelum tu aku ade kelas PJ. aku pn wat tenang je la ngajar je la mcm biase.

Masuk mase sains, aku pn bwk la anak2 murid aku pegi makmal komputer, pki multimedia la konon nk mengajar arini. tgh2 aku mengajar, lect aku pn pggl pegi kt die.

Lecturer: Kenapa ape yang kamu wat mcm ni #$%&***?

Saya: saya....

Lecturer: saya xmahu dengar, mcm mane awak bwat keje ni...

xde peluang langsung nk bagi jawapan...ape da...at least let me explain what am i doing and do correct me if im wrong...i deserve to explain what i gonna do and what am i doing...let me explain why i doing that.
should we put all what we have plan on our lesson plan?
what im situation changed and shd i put my plan B on the lesson plan.

arini aku tension tahap ke-7 kalo Gai sensei da jd rambut kuning da ni...hahahaha

Wednesday, May 18, 2011

One Piece Vol 62

“ONE PIECE Vol.62 sold 2.3 million copies! Each of the last 13 volume hit the 2 million mark
Following the last ranking of 9th May, The 62nd volume of ONE PIECE by Eiichiro Oda released on 2nd May topped 16th May’s Comic ranking 2 weeks in a raw. Copies sold so far have claimed up 236,8000, making 13rd consecutive volumes to sell more than 2 million copies (starting from Vol.50 released on June 2008) since the beginning of the ranking.”
“ONE PIECE Vol.62 sold 2.3 million copies! Each of the last 13 volume hit the 2 million mark
Following the last ranking of 9th May, The 62nd volume of ONE PIECE by Eiichiro Oda released on 2nd May topped 16th May’s Comic ranking 2 weeks in a raw. Copies sold so far have claimed up 236,8000, making 13rd consecutive volumes to sell more than 2 million copies (starting from Vol.50 released on June 2008) since the beginning of the ranking.”

Sunday, May 15, 2011

Kepler's Laws

Kepler's Three Laws

In the early 1600s, Johannes Kepler proposed three laws of planetary motion. Kepler was able to summarize the carefully collected data of his mentor - Tycho Brahe - with three statements that described the motion of planets in a sun-centered solar system. Kepler's efforts to explain the underlying reasons for such motions are no longer accepted; nonetheless, the actual laws themselves are still considered an accurate description of the motion of any planet and any satellite.
Kepler's three laws of planetary motion can be described as follows:
  • The path of the planets about the sun is elliptical in shape, with the center of the sun being located at one focus. (The Law of Ellipses)
  • An imaginary line drawn from the center of the sun to the center of the planet will sweep out equal areas in equal intervals of time. (The Law of Equal Areas)
  • The ratio of the squares of the periods of any two planets is equal to the ratio of the cubes of their average distances from the sun. (The Law of Harmonies)

Kepler's first law - sometimes referred to as the law of ellipses - explains that planets are orbiting the sun in a path described as an ellipse. An ellipse can easily be constructed using a pencil, two tacks, a string, a sheet of paper and a piece of cardboard. Tack the sheet of paper to the cardboard using the two tacks. Then tie the string into a loop and wrap the loop around the two tacks. Take your pencil and pull the string until the pencil and two tacks make a triangle (see diagram at the right). Then begin to trace out a path with the pencil, keeping the string wrapped tightly around the tacks. The resulting shape will be an ellipse. An ellipse is a special curve in which the sum of the distances from every point on the curve to two other points is a constant. The two other points (represented here by the tack locations) are known as the foci of the ellipse. The closer together that these points are, the more closely that the ellipse resembles the shape of a circle. In fact, a circle is the special case of an ellipse in which the two foci are at the same location. Kepler's first law is rather simple - all planets orbit the sun in a path that resembles an ellipse, with the sun being located at one of the foci of that ellipse.
Kepler's second law - sometimes referred to as the law of equal areas - describes the speed at which any given planet will move while orbiting the sun. The speed at which any planet moves through space is constantly changing. A planet moves fastest when it is closest to the sun and slowest when it is furthest from the sun. Yet, if an imaginary line were drawn from the center of the planet to the center of the sun, that line would sweep out the same area in equal periods of time. For instance, if an imaginary line were drawn from the earth to the sun, then the area swept out by the line in every 31-day month would be the same. This is depicted in the diagram below. As can be observed in the diagram, the areas formed when the earth is closest to the sun can be approximated as a wide but short triangle; whereas the areas formed when the earth is farthest from the sun can be approximated as a narrow but long triangle. These areas are the same size. Since the base of these triangles are shortest when the earth is farthest from the sun, the earth would have to be moving more slowly in order for this imaginary area to be the same size as when the earth is closest to the sun.

Kepler's third law - sometimes referred to as the law of harmonies - compares the orbital period and radius of orbit of a planet to those of other planets. Unlike Kepler's first and second laws that describe the motion characteristics of a single planet, the third law makes a comparison between the motion characteristics of different planets. The comparison being made is that the ratio of the squares of the periods to the cubes of their average distances from the sun is the same for every one of the planets. As an illustration, consider the orbital period and average distance from sun (orbital radius) for Earth and mars as given in the table below.

Planet

Period

(s)

Average

Dist. (m)

T2/R3

(s2/m3)

Earth
3.156 x 107 s
1.4957 x 1011
2.977 x 10-19
Mars
5.93 x 107 s
2.278 x 1011
2.975 x 10-19
Observe that the T2/R3 ratio is the same for Earth as it is for mars. In fact, if the same T2/R3 ratio is computed for the other planets, it can be found that this ratio is nearly the same value for all the planets (see table below). Amazingly, every planet has the same T2/R3 ratio.

Planet

Period

(yr)

Ave.

Dist. (au)

T2/R3

(yr2/au3)

Mercury
0.241
0.39
0.98
Venus
.615
0.72
1.01
Earth
1.00
1.00
1.00
Mars
1.88
1.52
1.01
Jupiter
11.8
5.20
0.99
Saturn
29.5
9.54
1.00
Uranus
84.0
19.18
1.00
Neptune
165
30.06
1.00
Pluto
248
39.44
1.00
(NOTE: The average distance value is given in astronomical units where 1 a.u. is equal to the distance from the earth to the sun - 1.4957 x 1011 m. The orbital period is given in units of earth-years where 1 earth year is the time required for the earth to orbit the sun - 3.156 x 107 seconds. )

Kepler's third law provides an accurate description of the period and distance for a planet's orbits about the sun. Additionally, the same law that describes the T2/R3 ratio for the planets' orbits about the sun also accurately describes the T2/R3 ratio for any satellite (whether a moon or a man-made satellite) about any planet. There is something much deeper to be found in this T2/R3 ratio - something that must relate to basic fundamental principles of motion. In the next part of Lesson 4, these principles will be investigated as we draw a connection between the circular motion principles discussed in Lesson 1 and the motion of a satellite.

Sunday, March 6, 2011

Beauty of Terengganu










Taken at Kuala Abang n Seberang Takir