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- 28. Which best describes the gravitational force? a. linear function of distance b. an infinite-range force c. applicable only to our solar system d. sometimes repulsive7. A 70 kg astronaut orbits the moon at a distance of 7.2 x 10° m from its center. (Mass of moon = 7.35 x 10²² kg) a. What is the force acting on the astronaut by the moon? b. How fast is the astronaut orbiting around the moon?7.
- 7.) A sateltle orbits at a height of 6,000 km above the earth’s surface. REarth = 6.38 × 106 m, mEarth = 5.98 × 1024 kg. What is the magnitude of the gravitational acceleration g at this height, in m/s2? Use G = 6.67 × 10-11 N·m2/kg2. Your answer needs to have 2 significant figures, including the negative sign in your answer if needed. Do not include the positive sign if the answer is positive. No unit is needed in your answer, it is already given in the question statement.Describe your approach to calculating the velocity of a satellite in an orbit of radius R around the Earth. Select as many options as you think are appropriate. a. Use Newton's second law. O b. Use Kepler's second law. ☐ c. Use Newton's law of universal gravitation. d. Use Kepler's first law.4. Drag the moon to various locations in order to determine the quantitative effect of distance upon the gravitational force. Examine the effect of doubling, tripling and quadrupling the distance of separation (as measured from planet's center). Consider the planet's surface to be a distance of one Earth-radius (1 Rplama). Use the following table to record data for whole-number multiples of Rane. Separation Force (fictional units) Distance 2 R 3 R 4 R 5 R 6 R 7 R 8 R 9 R 10 R 11 R 12 R 21.1 pianet planet pianet planet planet planet planet planet planet planet planet Use your data to complete the following sentences. If the separation distance between the moon and the planet is ... increased by a factor of 2, then the Fgrav is olecredsed by a factor of a. ...
- Do you exert a gravitational force on Earth? How large and in what direction is it? Group of answer choices No. We do not exert a gravitational force on the Earth. Yes. It is equal to your mass and directed upward. Yes. It is equal to your mass and directed downward.. Yes. It is equal to your weight and directed downward.. Yes. It is equal to your weight and directed upward.Please write. A lion with a mass of 190 kg is chasing a gazelle with a mass of 15 kg. The distance between the lion and the gazelle is 2 meters.a. How much gravitational force does the lion exert on the gazelle?b. How much gravitational force does the gazelle exert on the lion?The mass of a particle is 25 kg. A.What is its weight (in N) in outer space far from any celestial body? B.What is its mass at this point (in kg)
- 37. W Objects with masses of 200 kg and 500 kg are sepa- rated by 0.400 m. (a) Find the net gravitational force exerted by these objects on a 50.0-kg object placed midway between them. (b) At what position (other than infinitely remote ones) can the 50.0-kg object be placed so as to experience a net force of zero? 2151Two masses are attracted by a gravitational force of 9.3 N. What will the force of attraction be if the distance between the two masses is quadrupled? The force of attraction will be ? N.1. Determine the force of gravitational attraction between a 67-kg father and his 12.8-kg son if they are separated at a distance of 5.29 x 105 m from each other. a. 1.02 x 1029 N b. 1.44 x 10-5 N c. 1.01 x 10-7 N d. 2.04 x 10-19 N 2. Two objects with equal masses of 1 kg each are separated by a distance of 1 m. The gravitational force between the objects is: a. Slightly less than G b. Slightly greater than G c. Equal to G d. Half as much as G