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What is the escape velocity from the surface of Europa if its mass is 4.8 1022 kg and its radius is 1.6 103 km?
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- What is the escape velocity of Jupiter if its mass is 1.898 x 10^27 kg, and its diameter is 1.42 x10^5 kmWhat is the escape velocity is km/s from Jupiters exosphere, which begins about 993 km above the surface ? Assume the Gravitational constant is G= 6.67 x10-11m3 kg-1s-2, and that's Jupiter has a mass of 1.8999999999999998e+27kg and a radius of 68.0 x103kmTitan has a radius of 2500.0 km and a mass of 1.1 × 1023 kg. What is the escape velocity in km/s from Titan's exosphere, which begins at about 1400 km above the surface? The gravitational constant is G = 6.67 × 10-11 m3 kg-1 s-2.
- The escape speed from a planet X is 165 m/s. Calculate the density of the planet if the diameter of the planet is 225 km (a) 3.85x103 kg/m (b) 1.54x10 kg/m3 (c) 2.29x103 kg/m (d) 4.33x10 kg/m3The escape velocity from the surface of planet A is 5700 m/s. Planet B has the same density but the radius is 1/3 that of planet What is the escape velocity from the surface of planet B in m/s?What is the escape velocity in km/s from Jupiter's exosphere, which begins about 995 km above the surface? Assume the Gravitational constant is G = 6.67 × 10-11 m3 kg-1 s-2 , and that Jupiter has a mass of 2.2e+27 kg and a radius of 71.0 × 103 km.
- The dwarf planet Haumea has a mass 0.0007 times that of the Earth and a diameter on average 0.11 times that of the Earth. What is the escape velocity of Haumea (in m/s)? (type in the numerical answer and unit, e.g. 10m/s.)Calculate the surface escape velocities for Mars. rM = 3.3× 106 m, MM = 6 × 1022 kg).A planet as a radius “R” and density “P”. The escape velocity of this planet is _____ a) directly proportional to P b) inversely proportional to P c) directly proportional to P1/2 d) inversely proportional to P1/2
- Rick is an Aerospace Engineer at NASA’s Jet Propulsions Laboratory (JPL), and is designing the next mission to Pluto called “New Horizons 2: The Sequel". This time Rick plans to study Pluto's largest moon Charon. Charon has a mass of 1.586 ×1021 kg and a mean radius of 606 km, and might have a nitrogenous atmosphere (N2) just like Pluto. If, for a massive object to have an atmosphere its escape speed must be 12 times greater than the root-mean- square (rms) velocity of the gas (otherwise the gas will slowly leak away over time), what is the maximum temperature that Charon can have and still have a nitrogenous atmosphere? [Charon has a temperature of -281 °C = 55 K, day or night.]The estimated mass and radius of Planet X are used to calculate the minimum escape speed, Ve, for an object launched from the surface of the planet. If the actual mass and/or radius of the planet are slightly different from the estimated values, how will the actual escape speed Va for the surface of Planet X compare to Ve ? v_a v_c if the actual mass is less and the actual radius is greater than their estimated values. v_a > v_c if the actual mass is greater and the actual radius is less than their estimated values. v_a = v_c regardless of any difference in mass or radius. v_a < v_c if the actual mass is greater and the actual radius is the same as their estimated values.Calculate the gravitational field strength on a planet with a diameter of 12738 km if the escape velocity is 11 km s-1. Give your answer in SI units.