Kepler’s second law is based on ___________ a) Newton’s first law b) Newton’s second law c) Special theory of relativity d) Conservation of angular momentum
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Kepler’s second law is based on ___________
a) Newton’s first law
b) Newton’s second law
c)
d) Conservation of
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- Using the public data from Hubble Space Telescope, a citizen scientist discovers a previously unknown body between Mars and Jupiter. Excited at the discovery, the scientist determines that the orbital distance of the body from the Sun is 4 times the Earth's distance from the Sun. From this information, the citizen scientist determines the period of its revolution to be a. one fourth year b. 16 years c. 4 years d. 8 yearsA planet and moon pictured above have identical densities. Identify the magnitude of the value that is identical to both cosmic bodies assuming that the only force they experience is their gravitational attraction for each other. O A. Kinetic energy O B. Velocity O C. Acceleration O D. Displacement from the center of mass O E. Gravitational forceLeave the moon's amplitude (semi-major axis) constant. How does the changing of the moon's orbital period change the calculated value of the planet's mass? a. Increasing the orbital period results in a higher calculated value for the mass of the planet. Decreasing the orbital period results in a lower calculated value for the mass of the planet. b. Increasing the orbital period results in a lower calculated value for the mass of the planet. Decreasing the orbital period results in a higher calculated value for the mass of the planet. c. Increasing the orbital period results in a higher calculates value for the mass of the planet. Decreasing the orbital period results in a higher calculated value for the mass of the planet.
- Describe your approach to the calculation of the period of a satellite moving in the gravitational field of a planet with mass M. a. Use Newton's 3rd law. b. Use Newton's law of universal gravitation. c. Use Kepler's 3rd law. d. Use Newton's 2nd law. e. Use Newton's 1st lawWhich of the following are, or follow directly from, Kepler's Laws of planetary motion? Check all that apply. More distant planets move at slower speeds. The force of attraction between any two objects decreases with the square of the distance between their centers. The orbit of each planet about the Sun is an ellipse with the Sun at one focus. A planet travels faster when it is nearer to the Sun and slower when it is farther from the Sun. As a planet moves around its orbit, it sweeps out equal areas in equal times.Which of the following statements about gravitational force, Fg , is not correct? a. Gravitational force is an attractive force only; it is never repulsive. b. Gravitational forces always exist in pairs of equal magnitude. c. The gravitational force between two objects depends on their separation. d. Gravitational force is the strongest of the fundamental forces.