Q134 / 180 · AIIMS 2001 · Physics

Escape velocity of a rocket is $11.2 \mathrm{~km} / \mathrm{sec}$. It is released at an angle of $45^{\circ}$. Its escape velocity is

  • A
    $11.2 \mathrm{~m} / \mathrm{sec}$
  • B
    $11.2 \sqrt{2} \mathrm{~km} / \mathrm{sec}$
  • Correct answer
    C
    $11.2 \mathrm{~km} / \mathrm{sec}$
  • D
    $22.3 \mathrm{~km} / \mathrm{sec}$.

Solution

The escape velocity is independent of the angle of projection. So, the escape velocity of the rocket remains same.

Hence, the correct answer is option: 'C'.

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