Which does Kepler’s second law state about planetary motion?(1 point)

Question

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.

The planet travels along an elliptical orbit.
The planet travels along an elliptical 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.
Question 2
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 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.
Question 3
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 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 increases as the planet moves away from the sun.

Answer 1

Here are the correct answers to your questions regarding Kepler's laws of planetary motion:

Question 1: Which does Kepler’s second law state about planetary motion?

• A line between the planet and the sun covers equal areas in equal times.

Question 2: How did Kepler develop his second law of motion?

• He made accurate measurements of the positions of all the planets over many years.

Question 3: According to Kepler’s second law of motion, which statement describes the area swept out by a line between a planet and the sun?

• It is constant for equal times.

Feel free to ask if you have more questions!