Aplanet has mass m and radius 2r. a) derive an expression for the escape speed from the planet. b) a projectile of mass m is shot directly away from the surface of the planet at โ of the escape speed from the planet. derive an expression for the maximum distance from the center of the planet the projectile reaches, in terms of r. simplify as far as possible. (ignore the existence of all other celestial objects.)
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Aplanet has mass m and radius 2r. a) derive an expression for the escape speed from the planet. b) a...
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