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- Earth has a mass of 5.98 × 1024 kg. The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth?A cube of tin with sides of length 2.8 m is transported to the surface of Mars. What is the weight of this cube on Mars? Express this quantity in units of lbf. The specific gravity of tin is 7.28. Gravitational acceleration on Mars is 0.38 GThe planet Mars has a mass of 6.42x10^23 kg and a radius of 3.38x10^6 m. Determine how much a 50 kg person would weigh on Mars.
- Earth has a mass of 5.98*1024 kg.The average mass of the atoms that make up Earth is 40 u. How many atoms are there in Earth?The mean diameters of X and Y, two planets in the same solar system, are 6.5 x 10³ km and 1.2 x 104 km, respectively. The mass of x is 0.21 times the mass of Y. The value of g on Y is 8.1 m/s². (a) What is the ratio of the mean density of X to that of Y (Px / Py)? (b) What is the value of g on X? m/s² (c) The mass of Y is 4.372 x 1024 kg. What is the escape speed on X? m/sThe planet Jupiter has a mass of 1.9 × 1027 kg and a radius of 72,000 km. The Earth, meanwhile, has a mass of 6.0 × 1024 kg and a radius of 6,400 km. What is the volume of Jupiter in m3?
- Suppose that radius RE and mass ME of the Earth is known.Using the known radius of the Earth and that g=9.80 m/s2 at the Earth’s surface, find the average density of the Earth.A newly discovered planet X has a mass of 36.7 × 1023 kg and radius 2.47 × 106 m. What is g on this planet's surface, in m/s2?The mass of a planet is about 71% of the mass of Jupiter with the same radius. What is the approximate average density of the planet in g/cm3? The mass of Jupiter is 2 x1027kg and Jupiter's radius is 69000.0 km.
- The mean diameters of X and Y, two planets in the same solar system, are 7.0 x 10 km and 1.8 x 10 km, respectively. The mass of X is 0.20 times the mass of Y. The value of g on Ys 9.0 m/s², (a) What is the ratio of the mean density of X to that of y(x/a) 3.4 (b) What is the value of g on X? 11,9 m/s² (c) The mass of Y is 1.093 x 1025 kg. What is the escape speed on X? m/sThe mass of Jupiter is 314 times that of Earth and the diameter of Jupiter is 11.35 times that of the Earth. If 'g' has a value of 9.8m/s2 on the Earth, what is the value on the Jupiter?The planet Jupiter has a mass of 1.9 × 1027 kg and a radius of 72,000 km. The Earth, meanwhile, has a mass of 6.0 × 1024 kg and a radius of 6,400 km. What is the volume of Earth in m^3?