Kepler's second law states that "A line between the planet and the sun covers equal areas in equal times." This means that a planet moves faster when it is closer to the sun and slower when it is farther away, ensuring that the area swept out in a given time period is constant.
Which does Kepler’s second law state about planetary motion?(1 point)
Responses
A line between the planet and the sun covers equal areas in equal times.
A line between the planet and the sun covers equal areas in equal times.
Planets move at the same speed at all points along their orbit.
Planets move at the same speed at all points along their orbit.
The planet travels along an elliptical orbit.
The planet travels along an elliptical orbit.
The square of the orbital period is directly proportional to the cube of the semi-major axis.
5 answers
How did Kepler develop his second law of motion?(1 point)
Responses
He used a telescope to carefully follow and time the orbital motion of Mars.
He used a telescope to carefully follow and time the orbital motion of Mars.
He made accurate measurements of the positions of all the planets over many years.
He made accurate measurements of the positions of all the planets over many years.
He compared data of planetary motion at different times along orbits.
He compared data of planetary motion at different times along orbits.
He invented a telescope that was strong enough to view all planets of the solar system along their orbits.
Responses
He used a telescope to carefully follow and time the orbital motion of Mars.
He used a telescope to carefully follow and time the orbital motion of Mars.
He made accurate measurements of the positions of all the planets over many years.
He made accurate measurements of the positions of all the planets over many years.
He compared data of planetary motion at different times along orbits.
He compared data of planetary motion at different times along orbits.
He invented a telescope that was strong enough to view all planets of the solar system along their orbits.
Kepler developed his second law of motion because "He made accurate measurements of the positions of all the planets over many years." His work, based on the precise observational data collected by Tycho Brahe, led him to formulate his laws of planetary motion.
According to Kepler’s second law of motion, which statement describes the area swept out by a line between a planet and the sun?(1 point)
Responses
It increases as the planet approaches the sun.
It increases as the planet approaches the sun.
It is constant for equal times.
It is constant for equal times.
It is constant if the planet moves at a constant speed.
It is constant if the planet moves at a constant speed.
It increases as the planet moves away from the sun.
Responses
It increases as the planet approaches the sun.
It increases as the planet approaches the sun.
It is constant for equal times.
It is constant for equal times.
It is constant if the planet moves at a constant speed.
It is constant if the planet moves at a constant speed.
It increases as the planet moves away from the sun.
According to Kepler’s second law of motion, the correct statement is: "It is constant for equal times." This means that the area swept out by a line connecting a planet to the sun is the same over equal time intervals, regardless of the planet's varying speed in its elliptical orbit.