Who was the first to suggest that the Earth was just another planet, centered only within the lunar sphere?

Advanced Higher Physics Astrophysics Quiz

Quiz
•

Holly Farnham
•
Physics
•
12th Grade
•
1 plays
•
Hard
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10 questions
Show all answers
1.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
Claudius Ptolemy
Nicolaus Copernicus
Tycho Brahe
Johannes Kepler
2.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the value of the Universal Gravitational Constant (G)?
6.67 x 10^-11 N m^2 kg^-2
9.8 m s^-2
3.84 x 10^8 m
2.36 x 10^6 s
3.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the force experienced per unit mass in a gravitational field called?
Gravitational potential energy
Gravitational field strength
Escape velocity
Gravitational redshift
4.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What causes the variation of 'g' with height above the Earth's surface?
Rotation of the Earth
Density of the Earth
Shape of the Earth
Mass of the Earth
5.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the maximum value of 'g' at sea level?
9.832 m s^-2
9.780 m s^-2
9.81 m s^-2
9.82 m s^-2
6.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the formula for the period of a satellite in circular orbit?
T = 2πr / GM
T = 2πr / (GM)^2
T = 2πr / (GM)^3
T = 2πr / (GM)^4
7.
MULTIPLE CHOICE QUESTION
30 sec • 1 pt
What is the kinetic energy of a satellite in a gravitational field?
E_K = GMm / r
E_K = GMm^2 / r
E_K = GMm / (2r)
E_K = GMm^2 / (2r)
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