Physics, 29.06.2019 16:10 cmflores3245
You are a visitor aboard the new international space station, which is in a circular orbit around the earth with an orbital speed of vo = 1.10 km/s. the station is equipped with a high velocity projectile launcher, which can be used to launch small projectiles in various directions at high speeds. most of the time, the projectiles either enter new orbits around the earth or else eventually fall down and hit the earth. however, as you know from your physics courses at the academy, projectiles launched with a sufficiently great initial speed can travel away from the earth indefinitely, always slowing down but never falling back to earth. with what minimum total speed, relative to the earth, would projectiles need to be launched from the station in order to "escape" in this way? for reference, recall that the radius of the earth is re = 6.37 x106 m, the mass of the earth is me 5.98 x1024 kg, the acceleration due to gravity on the surface of the earth is g= 9.81 m/s2 and the universal gravitational constant is g 6.67 x101 n m2/kg2. number m/s esc
Answers: 2
Physics, 21.06.2019 22:40
Consider two metallic rods mounted on insulated supports. one is neutral, the other positively charged. you bring the two rods close to each, but without contact, and briefly ground the the neutral rod by touching it with your hand. show answer correct answer what would be resulting charge (if any) on the initially neutral rod
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Physics, 22.06.2019 14:50
Nitrogen (n2) undergoes an internally reversible process from 6 bar, 247°c during which pν1.2 = constant. the initial volume is 0.1 m3 and the work for the process is 121.14 kj. assuming ideal gas behavior, and neglecting kinetic and potential energy effects, determine heat transfer, in kj, and the entropy change, in kj/s. show the process on a t-s diagram.
Answers: 2
You are a visitor aboard the new international space station, which is in a circular orbit around th...
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