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Question 11.Which of the following orbital eccentricities is NOT an elliptical orbit?
Question 22.Which is the equation for the law of universal gravitation?
Question 33.If the distance between two objects is 500 km and is increased to 1000 km, what happens to the gravitational force between them?
Question 44.A planet is orbiting its star at a maximum radius of 1.2 x 10^7 meters. If the mass of the star is 2 x 10^30, what is the time period of the orbit?
Question 55.Consider two planets. Planet X has a mass of 100 Units while Planet Y has a mass of 1,000 Units. Which of the following is NOT true concerning these planets?
Question 66.In general, what are Kepler's Laws?
Question 77.A curve surrounding two points, called foci, such that the total distance from one focus to a point on the ellipse and back to the other focus is constant for every point on the curve is called:
Question 88.The law of universal gravitation states that
Question 99.Which of the following is accurate about the force of gravity?
Question 1010.Why do you feel 'weightless' on the moon?
Question 1111.If a planet's average distance from the sun is 10 AU, what is its orbital period?
Question 1212.A planet is orbiting its star at a maximum radius of 1.2 x 10^7 meters. If the mass of the star is 2 x 10^30, and the current radius is 0.9 x 10^7 meters, what is the velocity of the orbit?
Question 1313.The gravitational force between two objects depends on
Question 1414.What is an elliptical orbit?
Question 1515.Consider a 10 kg object free-falling from a cliff with an initial velocity of 0 m/sec. How fast will the object be traveling after 1 sec and after 2 sec?
Question 1616.Which of the following is accurate of acceleration due to gravity on Earth?
Question 1717.Consider an alien on a planet with an acceleration of gravity equal to 20 m/sec^2. If the alien's mass is 10 kg, how much does the alien weigh?
Question 1818.If a planet's orbital period is 10 years, what is its average distance from the sun?
Question 1919.Kepler's Second Law states:
Question 2020.The time it takes a planet to travel around the sun one time is known as the:
MTEL Physics: Laws of Gravitation Chapter Exam Instructions
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