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Author Question: Planet Zero has a mass of 5.0 1023 kg and a radius of 2.0 106 m. A space probe is launched ... (Read 40 times)

Mr. Wonderful

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on: Jul 28, 2018
Planet Zero has a mass of 5.0  1023 kg and a radius of 2.0  106 m. A space probe is launched vertically from the surface of Zero with an initial speed of 4.0 km/s. What is the speed of the probe when it is 3.0  106 m from Zero's center?
 a. 3.0 km/s
  b. 2.2 km/s
  c. 1.6 km/s
  d. 3.7 km/s
  e. 5.9 km/s

Question 2

Planet Roton has a mass of 4.0  1023 kg and a radius of 2.0  106 m. With what speed should a space probe be launched from the surface of Roton so as to achieve a maximum distance of 3.0  106 m from the center of Roton?
 a. 4.2 km/s
  b. 3.9 km/s
  c. 3.0 km/s
  d. 3.4 km/s
  e. 6.0 km/s


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bassamabas

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Reply #1 on: Jul 28, 2018
Answer to Question 1

B

Answer to Question 2

C


Mr. Wonderful

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Reply 2 on: Jul 28, 2018
Excellent

Joy Chen

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Reply 3 on: Yesterday
:D TYSM

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