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Author Question: At an altitude of 5 times the radius of the Earth, the acceleration due to gravity is a. g/5. b. ... (Read 70 times)

abc

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on: Jul 28, 2018
At an altitude of 5 times the radius of the Earth, the acceleration due to gravity is
 a. g/5.
  b. 5g.
  c. g/25.
  d. not given.

Question 2

Geosynchronous satellites orbit the Earth at a distance of 42 000 km from the Earth's center. Their angular speed at this height is the same as the rotation rate of the Earth, so they appear stationary at certain locations in the sky. What is the force acting on a 1 500-kg satellite at this height?
 a. 85.0 N
  b. 333 N
  c. 404 N
  d. 457 N


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srodz

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

c

Answer to Question 2

b


abc

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Reply #2 on: Jul 28, 2018
Thank you!


srodz

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Reply #3 on: Jul 28, 2018
Always glad to help...


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