SATHEE: Gravitation - Result Question 56

Gravitation - Result Question 56

59. A satellite of mass $m$ is orbiting around the earth in a circular orbit with a velocity $v$ . What will be its total energy?

[1991]

(a) $(3 / 4) m v^{2}$

(b) $(1 / 2) m v^{2}$

(d) $- (1 / 2) m v^{2}$

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Answer:

Correct Answer: 59. (d)

Solution:

(d) Total energy $= - K E = \frac{P E}{2}$

$K . E = \frac{- 1}{2} m v^{2}$

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Gravitation - Result Question 56

59. A satellite of mass m is orbiting around the earth in a circular orbit with a velocity v. What will be its total energy?

Answer:

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59. A satellite of mass $m$ is orbiting around the earth in a circular orbit with a velocity $v$ . What will be its total energy?