Question
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 is constant if the planet moves at a constant speed.
It is constant if the planet moves at a constant speed.
It is constant for equal times.
It is constant for equal times.
It increases as the planet approaches the sun.
It increases as the planet approaches the sun.
It increases as the planet moves away from the sun.
It increases as the planet moves away from the sun.
Responses
It is constant if the planet moves at a constant speed.
It is constant if the planet moves at a constant speed.
It is constant for equal times.
It is constant for equal times.
It increases as the planet approaches the sun.
It increases as the planet approaches the sun.
It increases as the planet moves away from the sun.
It increases as the planet moves away from the sun.
Answers
Answer
How did Kepler develop his second law of motion?(1 point)
Responses
Responses
Answer
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.
He invented a telescope that was strong enough to view all planets of the solar system along their orbits.
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 used a telescope to carefully follow and time the orbital motion of Mars.
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.
He invented a telescope that was strong enough to view all planets of the solar system along their orbits.
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 used a telescope to carefully follow and time the orbital motion of Mars.
Answer
Which does Kepler’s second law state about planetary motion?(1 point)
Responses
Planets move at the same speed at all points along their orbit.
Planets move at the same speed at all points along their orbit.
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.
The square of the orbital period is directly proportional to the cube of the semi-major axis.
The square of the orbital period is directly proportional to the cube of the semi-major axis.
The planet travels along an elliptical orbit.
The planet travels along an elliptical orbit.
Responses
Planets move at the same speed at all points along their orbit.
Planets move at the same speed at all points along their orbit.
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.
The square of the orbital period is directly proportional to the cube of the semi-major axis.
The square of the orbital period is directly proportional to the cube of the semi-major axis.
The planet travels along an elliptical orbit.
The planet travels along an elliptical orbit.
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