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Two questions need both answered for FULL CREDIT PLEASE! 1. One of your summer lunar space...

Two questions need both answered for FULL CREDIT PLEASE!

1. One of your summer lunar space camp activities is to launch a 1070 kg rocket from the surface of the Moon. You are a serious space camper and you launch a serious rocket: it reaches an altitude of 213 km. What gain in gravitational potential energy does the launch accomplish? The mass and radius of the Moon are 7.36×1022 kg and 1740 km, respectively. J = ????

2.  A 2070 kg space station orbits Earth at an altitude of 4.61×10^5 m. Find the magnitude of the force with which the space station attracts Earth. The mass and mean radius of Earth are 5.98×10^24 kg and 6.37×10^6 m, respectively. N =???

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