For this configuration, calculate the gravitational force exerted by Neptune on Uranus. You may find the values in the table below helpful  ass of the Sun 1.99 × 1030 kg Mass of Uranus 8.68 × 1025 kg Mass of Neptune 1.02 × 1026 kg Semimajor axis of Uranus’ orbit 2.871 × 1012 m Semimajor axis of Neptune’s orbit 4.498 × 1012 m

Europa orbits Jupiter with an average radius of 671,100 km and a period of 3.551 days. Based upon these data, what is the mass of Jupiter (in kg)? |kg

5.3 The radius of the earth is 6400 km. An incoming meteorite approaches the Earth along the trajectory shown. The point C in the figure is 6400 km above the Earth's surface. The point A is located at the Earth's center. At point C, what acceleration would the meteorite experience due to the Earth's gravity? The gravitational constant G= 6.67x10-11 (Nm²/kg2). (b) (c) (d) 9.8 m/s2 toward A 2.5 m/s2 toward A 2.5 m/s2 toward B 5.0 m/s² toward B 5.0 m/s2 toward A 6400 30° B

Please answer the question and subquestions entirely. This is one single question. According to the official guideline, I can ask two subquestions! Thank you!   1) Two point masses are placed 10.0 cm apart and attract each other with a force of 10.0 N. Find the force of gravitational attraction between the masses when they are placed 5.00 cm apart.     3.00 N     4.50 N     20.0 N     40.0 N a) The radius of the orbit of a certain asteroid is four astronomical units. What is the period (in years) of this asteroid?     2 years     4 years     6 years     8 years b) A satellite is orbiting the earth at an altitude where the acceleration due to gravity is 8.70 m/s 2. What is its speed?     2.65 x 103 m/s     7.45 x 103 m/s     7.68 x 103 m/s     7.91 x 103 m/s