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A new planet is discovered and we think it may be able to support life. We take a couple of quick observations to find some o
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Answer #1

(a)

4T r M = 3 GT2

M = 1.76 x 102 kg

(b)

2 X24. m/s 4.9 m/s 2u g 10.0 t

(c)

GM -2 P

6.67 x 10-11 x 1.76 x 1023 p 4.9

p=1547.82 km

(d)

2GM 2 x 6.67 x 10-11 x 1.76 x 1023 m/s 1.23 x 105 m/s _ 1.547 x 103

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