Question

D Question 14 What is the escape speed for a spacecraft Im - 800 kg at the position of the earth leaving the solar system? IGNORE the masses of ALL the planets, moons, asteroids, and comes in the solar system 66100 mph 162 mph 14300 mph 94000 mph 24800 mph Question 15 A particle omas-800 grotates about a foxed anat a perpendicular distanceR125 cm. The moment of inertia of this systems: skem? 0.03 km2 Ok? 1.25 x 10 m2 100x100 0.003125 km 0.1km 0.0125 ? 125 km? 12.5 km? 5000 km

Answer 1

Solution in the uploaded images

Solution is, de a 014 Scope velocity of you for space craft from earth surfore Jelena For earth, Ue = 11-2km/h. 11200 m/s into miles per hour. converting into luc= 24 800mph 015 os R=0/25m Boog - o. bookg, R = 12.5 m Moment of Inertia, I = MR² I = 0.6x6:1252 I = 0.0125 legen oy Keplers low of planetary lanetary motion are: First law. Planet moves in an an elliptical orbit with cit's stor Sun at one and The planet sweeps equal areas in equal tlome how: T2 & a ocus. haw 3 zed