For a planet orbiting the sun, r p is the distance from the sun to the perihelion and r a is the distance from the sun to the aphelion. What is a planet’s orbital eccentricity if r p is equal to 0.45r a?
A. 1.45
B. 0.55
C. 0.38
D. 2.64
Where is the sun located on Earth’s elliptical orbit?
A. at the center of the two foci
B. at a focus
C. at the aphelium
D. at the perihelium
A satellite orbiting Earth at an orbital radius r has a velocity v. Which represents the velocity if the satellite is moved to an orbital radius of 4r?
A. 1/4v
B. 4v
C. 1/2v
D. 2v
Answers: 2
Physics, 21.06.2019 21:00
Apulley with a mechanical advantage of 5 will require you to pull times the amount of rope. a. 1/5 b. 5 c. 10 d. 15
Answers: 2
Physics, 22.06.2019 02:50
What is required for an electric charge to flow through a wire? zero resistance in the wire a balance of electric potential high resistance in the wire a difference in electric potential
Answers: 1
Physics, 22.06.2019 10:30
What are two different ways you could find the value of a? explain these methods.
Answers: 2
For a planet orbiting the sun, r p is the distance from the sun to the perihelion and r a is the dis...
Mathematics, 03.09.2021 04:20
English, 03.09.2021 04:20
Mathematics, 03.09.2021 04:20
Mathematics, 03.09.2021 04:20
English, 03.09.2021 04:20
Mathematics, 03.09.2021 04:20
Mathematics, 03.09.2021 04:20
Mathematics, 03.09.2021 04:20
Business, 03.09.2021 04:20
Mathematics, 03.09.2021 04:20