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Why do different planets have different ...

Why do different planets have different escape speeds?

Text Solution

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A escape speed is given by `sqrt(GM//R)` therefore its values are different for different planets because of their different masses and different size.
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Knowledge Check

  • Assertion: Two different planets have same escape velocity. Reason: Value of escape velocity is a universal constant.

    A
    If both the assertion and reason are true and reason is a true explantion of the assertion.
    B
    If both the assertion and reason are true but the reason is not true the correct explantion of the assertion.
    C
    If the assertion is true but reason false
    D
    If both the assertion and reason are false.