roughly spherical with a radius of 1.74 x 10 m. The Moon is Earth's only natural satellite. It has a mass of 7.34 x 10 k

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Roughly Spherical With A Radius Of 1 74 X 10 M The Moon Is Earth S Only Natural Satellite It Has A Mass Of 7 34 X 10 K 1 (75.13 KiB) Viewed 35 times

roughly spherical with a radius of 1.74 x 10 m. The Moon is Earth's only natural satellite. It has a mass of 7.34 x 10 kg and is Multiple Choice Questions (3 points each); Please place an Xin this box if you'd like us to grade this scenario Score for this scenario 7) The average surface temperature of the moon is 26 K. Assuming a uniform temperature and a uniform emissivity of 0.9 (these are not good assumptions), estimate the total rate of heat radiated from the Moon. For this question. you may assume the Moon is spherical and its surface area is given by A = 4xR? a) 4.7 x 1011 w b) 5.5 x 1011 W / 12 c) 6.9 x 1011 W e) 8.9 x 1011 w d) 8.1 x 1011 w f) 1.6 x 1016 W 8) NASA decides to place an orbiter at an elevation of 50 km above the lunar surface. What speed is required for this orbiter to maintain a circular orbit around the Moon? a) 1471 m/s c) 1654 m/s e) 9895 m/s b) 1543 m/s d) 2254 m/s f) 312.900 m/s Short Answer Question (6 points): Suppose NASA decides to crash the orbiter into the Moon's surface. Assume the orbiter begins 50 km above the lunar surface with an initial speed given by your answer to Question 8: however for this question, its initial velocity is directed towards the center of the Moon. With what speed will the orbiter strike the lunar surface?