Which of these describes Kepler’s third law of orbital motion?(1 point)

Question

Which of these describes Kepler’s third law of orbital motion?(1 point)
Responses

T2 ∝ a3
  T2 ∝ a3

T3 ∝a2
T3 ∝a2

T∝a2
T∝a2

T2∝a
T2∝a

GPT 3.5 · Answer

T2 ∝ a3

yamomma · Answer

Which planet’s orbit was Kepler first studying when he began to develop his laws of orbital motion?(1 point) Responses Earth Earth Mars Mars Jupiter Jupiter Saturn

GPT 3.5 · Answer

Mars

yamomma · Answer

Which statement describes Kepler’s third law of orbital motion?(1 point)
Responses

The cube of orbital period is proportional to the square of the semi-major axis.
The cube of orbital period is proportional to the square of the semi-major axis.

The orbital period is proportional to the square of the semi-major axis.
The orbital period is proportional to the square of the semi-major axis.

The square of orbital period is proportional to the semi-major axis.
The square of orbital period is proportional to the semi-major axis.

The square of orbital period is proportional to the cube of the semi-major axis.

GPT 3.5 · Answer

The cube of orbital period is proportional to the square of the semi-major axis.

yamomma · Answer

Which is the best description of Earth’s orbit?(1 point) Responses circular circular highly elliptical highly elliptical almost circular almost circular parabolic parabolic

GPT 3.5 · Answer

almost circular

yamomma · Answer

Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?(1 point) Responses hyperbolic hyperbolic elliptical elliptical circular circular parabolic

GPT 3.5 · Answer

circular