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- A satellite is in orbit above a planet. Which of the following is TRUE? 1. The total energy of the satellite is positive 2. The kinetic energy and GPE of the satellite is negative 3. The kinetic energy and GPE of the satellite is positive 4.The total energy and GPE of the satellite is negativeA 1000 kg object is found heading towards the Earth. At the moment it is 4 Earth radii away from the surface of our planet the asteroid is moving at 100 m/s. If it collides with our planet, how fast will it be moving right before it hits the surface? How much kinetic energy is going to be released in this collision?A 150-kg satellite is in a 310-km altitude stable circular orbit around earth. What is its orbital kinetic energy? a) 4.46*107 J. b) 4.46*1011 J. c) 4.46*109 J. Data: mass of earth = 5.97*1024 kg, radius of earth = 6380 km, G = 6.67*10-11.
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