Which of these describes Kepler’s third law of orbital motion?(1 point)
Responses
T2∝a
T2∝a
T3 ∝a2
T3 ∝a2
T2 ∝ a3
T2 ∝ a3
T∝a2
1 year ago
1 year ago
Which orbital shape did most scientists in the early 1600s think the planets of our solar system have?(1 point)
Responses
circular
circular
hyperbolic
hyperbolic
parabolic
parabolic
elliptical
elliptical
1 year ago
circular
1 year ago
Which planet’s orbit was Kepler first studying when he began to develop his laws of orbital motion?(1 point)
Responses
Jupiter
Jupiter
Mars
Mars
Earth
Earth
Saturn
1 year ago
Mars
1 year ago
Which statement describes Kepler’s third law of orbital motion?(1 point)
Responses
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 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 cube of the semi-major axis.
The square of orbital period is proportional to the cube of the semi-major axis.
The cube of orbital period is proportional to the square of the semi-major axis.
1 year ago
The square of orbital period is proportional to the cube of the semi-major axis.
1 year ago
Which is the best description of Earth’s orbit?(1 point)
Responses
parabolic
parabolic
highly elliptical
highly elliptical
circular
circular
almost circular
1 year ago
almost circular
1 year ago
Multiple Choice
Which of the following is an example of subjunctive verb mood?
(1 point)
Responses
Going outside in your bare feet could make you cold.
Going outside in your bare feet could make you cold.
Will you go away?
Will you go away?
If I make the baseball team, I will skip around the field.
If I make the baseball team, I will skip around the field.
The bread was old and crusty.
1 year ago
If I make the baseball team, I will skip around the field.
1 year ago
Which of the following is an example of indicative verb mood?
(1 point)
Responses
If his parents let him, he will come outside to play.
If his parents let him, he will come outside to play.
Open the door for the old lady.
Open the door for the old lady.
I believe you should have a 60's themed birthday party.
I believe you should have a 60's themed birthday party.
We had spaghetti for dinner.
1 year ago
We had spaghetti for dinner.
1 year ago
Multiple Choice
How is this text formatted?
(1 point)
Responses
italicized text
italicized text
bold text
bold text
underlined text
underlined text
a change in the font face
1 year ago
a change in the font face
1 year ago
Multiple Choice
How is this text formatted?
(1 point)
Responses
underlined text
underlined text
highlighted text
highlighted text
bold text
bold text
italicized text
1 year ago