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The speed at which any planet moves through space is constantly changing. In a perfectly circular orbit, the orbital radius of the planet would be constant and therefore so would be its observed angular velocity. In elliptical orbits, the velocity varies. In elliptical orbits, the orbital radius of the satellite will vary and therefore so will its velocity. The planet travels "faster" when closer to the Sun, then "slower" at a more distant radius. According to Newton's 2nd Law, what is the underlying force behind this change in velocity?
Consider the model of Kepler's 2nd Law. Each colored wedge represents the same time interval. Kepler states that the area of each wedge must be equal. According to this, what conclusions can you draw about the movement of any planet?
According to Kepler's 3rd law, the square of the time it takes for an object to orbit, T, is directly related to the cube of the distance, r, between the object and what it is orbiting.
Earth's orbital radius is 1.5 x 10^11 m and it orbits the Sun in 1 year. If Mercury's orbital radius is 5.79 x 10^10 m, calculate the time taken for it to orbit the Sun.Radius orbit Bumi ialah 1.5 x 10^11 m dan Bumi mengelilingi Matahari dalam tempoh 1 tahun. Jika radius orbit Utarid ialah 5.79 x 10^10 m, kira masa yang diambil untuk mengorbit Matahari.
Diagram shows a planet orbiting around the sun. Based on Kepler's Second Law, Which of the following regarding the speeds of the planet at positions P(vp), Q(vQ) and R(vR)P\left(v_p\right),\ Q\left(v_Q\right)\ and\ R\left(v_R\right)P(vp), Q(vQ) and R(vR) is correct
Diagram shows the planet Saturn with its four satellites. R and T are orbital radius and orbital period of satellites respectively. Which of the following statements is true?
Kepler's first law states that the orbits of the planets are oval in shape or
Kepler’s first law states that planets travel in a(n) orbit.
Kepler's third law is represented by the following equation:Hukum Kepler ketiga ditunjukkan oleh persamaan:
What did Kepler discover about planets and their orbital speed?
A kine drawn from a planet to the Sun always sweeps over equal areas in equal intervals of time When the planet moves further from the sun, the planet will move
Kepler's 3rd law tell us that __ would be dependent on __.
Which statement best describes Kepler’s 3rd Law of Planetary Motion?
What is Kepler's 3rd Law?
The orbital radius of Venus is 10.8×101010.8\times10^{10}10.8×1010 m . Its rotation period is 224.7 days. What is its orbital speed.
For a planet revolving around the Sun, the time period of the planet depends on
Kepler’s third law states
An orbital period is the time (in Earth time) a planet _______________ .
What unit to we usually use to to measure a planet's orbital period?
The period of a satellite in a circular orbit of radius R is T. The period of another satellite in circular orbit of radius 4R is
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