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12 May, 04:05

Which of the following statements are true?

a. A satellite's motion is independent of its mass.

b. A satellite's velocity and orbital radius are independent of each other.

c. A geosynchronous satellite has a period of approximately 28 days.

d. The launch speed of a satellite determines the shape of its orbit around Earth.

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Answers (2)
  1. 12 May, 04:40
    0
    The correct options are (a) and (d)

    a. A satellite's motion is independent of its mass.

    d. The launch speed of a satellite determines the shape of its orbit around Earth

    Explanation:

    The velocity of the satellite is given by the equation

    v = √ (GM) / R

    Where G is gravitational constant, M is the mass of the target planet and R is the orbital radius.

    Therefore, we can conclude that the motion of satellite doesn't depend on its mass.

    The gravitational force doesn't change the speed of a satellite so it means that the initial velocity of the satellite will determine the orbital path of the satellite.

    A geosynchronous satellite has a period of 1 day.
  2. 12 May, 07:09
    0
    Answer: b and c

    Explanation:

    b. A satellite's velocity and orbital radius are independent of each other.

    c. A geosynchronous satellite has a period of approximately
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